How to Solve Advanced Cubic Equations: Step-by-Step Tutorial
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- Опубліковано 27 лип 2024
- Learn how to Solve Advanced Cubic Equations using Synthetic Division. Also learn how to Check your Answer Algebraically and Graphically (Graph of the Cubic Equation is Provided). Step-by-Step Tutorial by PreMath.com
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Thanks, this is really very helpful..continue your good work.
Cheers! ❤
You're very welcome, Ŕicky Kurosawa. Thank you so much for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Best regards :)
what if our equation is not factorable?
ya😄
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Ysss
Any bodies here after facing problem in finding characteristics equation for eigen vector
yeah
Yes😅
Yeah!! 😅
Kaise pata bhai🤩🤩
@@krishnathombre7946 😎😎😎guess
Who is here after facing problems in eigen value roots
Me😂
😂😂
me
😅
Bruuuuuuuuh
Myself 😭
i cnt believe i can find a 11min vid clearing up all my doubts when an hour long lesson in my sch just leaves me ???? thanks for this :))
What just happened that was such a good explanation video idk why but I felt so much smarter. You're really good at this, keep it up :D
For x= -1 can we have same sum of alternate coefficient but opposite signs?
One of the clearest snd cleanesr solutions to a cubic equation.
This will make solving eigenvalues and eigenvectors easier.
With quadratic equations if you put in anything as A B and C you'll get a simple answer. In cubic equations only a fraction of equations are simple, most are very long
What to do if last no. is not substracted completely
ex. x^3 - 9x^2+ 26x -24=0 ( x=2 )
You’re an absolute legend sir, I’m cramming one day before my exams and these tips are so useful sir thank you so much for taking the time and effort to make this video ❤️❤️
You're very welcome Malik Saab! Thank you so much for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep supporting my channel. Kind regards :)
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Thank you so much for this!! It was so helpful ^^
When you were listing the divisors of P and Q, were those the factors of P and Q? Thank you.
Thanks, I've been trying to solve the cubic for so long, and this video helped me a lot. Thanks again.
It was really very helpful Sir.....I was searching for the video in which for the equation whose x^3 coefficient is not '1'......here I found......Your professional students are very luck.
for the co efficient, if I get the same sum but there is a negative in on of them what can I do?
In the synthetic division, what if 0 comes before the end?
Who is here after bsc 🤣
thank you so much for this 🥺 we learnt this during online school and i didn’t understand a thing 😭 i feel more prepared for my test tomorrow thank youu 🤩
Same
You are very welcome Aaliya! I'm sure you are a brilliant and bright student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃
If I some how able to find two roots can I use the check method to find out the third...I see it being obvious
how do you find the divisors of q when a is a decimal number? does that mean that q divisors are only 1?
Thank u so much . It was very helpful and I was searching for this kind of teaching . l'm happy that I finally found it 😇
You are very welcome Vinutha! I'm sure you are an awesome student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and stay blessed and healthy😃 Keep smiling😃
Simply put x=1 or -1 and check whether it is equal to 0 or not. That little complicated stuff you showed for checking x=1,-1 came from the same logic but the former idea doesn't need anything to be to be memorized. Thanks for a good explanation in other cases. Liked it.
this is so helpful, thank you sir! gonna pass my test now
Hello, great video. Those rules you mentioned to find if x = -1, 1 are the solutions, where can I read about it?
Finally i found a better way of solving step 👌🏻👌🏻👌🏻
U also study? 😂😂😂
I thought u r a big mesy
😂😂😂😂
Really easy to understand sir!
Are you allowed to just type it into the calculator in the ccea as1 paper
@premath how did you factorize 2x^2+5x-3=0
Dear Chris, you asked a very nice question! Please watch these videos to factor out problems like above:
ua-cam.com/video/WKYIoUnMAnI/v-deo.html
ua-cam.com/video/0A1vPvPt_co/v-deo.html
ua-cam.com/video/Ul6x99bTSGA/v-deo.html
Thanks for asking. If you still have question, please let me know.
Take care dear and all the best😃
Thanks for the video, it is really very helpful.
You are very welcome Devdatt! I'm sure you are an awesome student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃
1
Thanks for giving such easy and simple way to solve this! The way that taught from book which is LONG DIVISION are too complicated tho
You are very welcome! Thank you so much for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep sharing my channel with your family and friends. Take care dear and all the best 😃
What is the answer on the graphic? I think that there is only one point that intersect the axis when drawn on the graph
agar equation lowest degree se start ho rhi or last me higher degree term ho to division me kya effect hoga
Well done our society needs more content like this😊
Thank you so much Aisha for your continued love and support.
Take care dear and stay blessed😃 Keep smiling😊
Enjoy every moment of your life 🌻
Jazakallah!
Thanks for this. I've been working on a new math module and this gave me a really solid start at solving polynomial equations, as these techniques were easy to implement.
Glad to hear that Jonathan! I'm sure you are an awesome student 👍 I'm glad you liked it! Please keep sharing premath channel with your family and friends. Take care dear and all the best😃
@@PreMath Thank you!
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(Y=X³-2x²+x-1) sir what to do with this one? Where y is not equal to zero and the interval terms aren't equal?
Will the trick be applicable to 0.42 sec to polynomials raise to power 4
this is incredible, im speechless
This what I want ....Lots of thanks & respect
You're very welcome! Thank you so much for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep supporting my channel. Take care😃
U are from which country sir ?
U speak english clearly.
At 1:30, to solve a cubic equation, why is it that if the sum of all coefficients sum to 0, 1 is always a solution?
sir ,what if there is no coefficient of x are given eg. d^3-1 etc ..
Very useful video and succinct tutorial. Thank you for this, cheers!
wtf gabs gamers dont do math
For sure time is delayed in in certain intervals, but given consistent and smooth paths, time moves in polynomial steps
@PreMath plz tell what to domif the D=1
You are a wonderful teacher and doing best to create good human resource.
Worked so far! But what do I do if my coefficients are fractions?
In that case, remove fractions first by find the LCD (LCM).
Thanks Andrew for asking.
I'm sure you are an awesome student 👍 I'm glad you liked it! Please keep sharing premath channel with your family and friends. Take care dear and all the best😃
Thank you so much your such a great teacher this really helped me keep on going!
You are very welcome Amy! I'm sure you are a brilliant and bright student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃
Does this work for all cubic equations
Great help! Thank you :)
The check by comparing the sum of the roots against -B/A is going to come in handy! Thx!!
Quick Question: Does this answer check work when there are 1 real root and 2 complex roots?
omg thank you for this example only one i could find with everything i needed to studuy
Can you please explain me how does -1/2 came in LHS ?
10:05
what if d is an odd number like 5 and +1, -1, -5, +5 doesn't work
Hi! Is there an easier way to find the solutions, since it might take a lot of time during exams to solve all the options. But anyways great video! You helped me a lot
Explain that easier way
@@butterfly99899 that's what I am asking
@@sainandhana8828 JUST USE ANY SCIENTIFIC CALCULATOR
thankyou so much, you are better than my teacher.
Dear sun flower, you are very welcome. Thank you so much for taking the time to leave this comment. I'm glad you liked the vid. Your feedback is always appreciated. Keep it up. Kind regards :)
thanks
what about polynomials with complex roots?
thanks a lot it's very helpful
but in the last check step, the 2 terms aren't equal is it mean the Sol. is wrong??
thank you so much sir you have tought me this solution....
You are very welcome dear! You are awesome 👍 I'm glad you liked it! Please keep sharing premath channel with your family and friends. Take care dear and all the best😃
0:46 ambulance!!!!
Lmao, you listening that sound 😁😁😁,instead of this
😂😂😂😂 I just couldn't ignore it either 😑
Are bhai bhai bhai 😂😂🥴
Wow! you are cool! Thanks for watching. Kind regards 😊
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this is the only helpful video out there on cubic polynomials, i appreciate this so much !!
Very helpful! Thank you so much!
Dear Vijey Krishnaa, you are very welcome. Thank you so much for taking the time to leave this comment. I'm sure you are an awesome student. Keep it up. Best regards :)
PreMath 😊 Really thank you a lot! Helped me a lot to learn!
Thanks it was helpful
Thanks Bir Amrit Singh for the feedback. Please share my channel with friends as well. Kind regards :)
Thank you 😊 sir, it helped me a lot .Now I know the best way to solve these type of questions
Is step 2 still applicable when sums the same number "48" but has different signs? For example, 48 and -48.
Maybe you can substitute for x and see if x = -1
Thank you very much sir.
This is really helpful. Just keep up making this kinds of helpful videos.
It was awesome. It helped me a lot.
✌✌
Thank you so much Harsh ji for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep sharing my channel with your family and friends. Take care dear and all the best😃
You are Awesome Sir !!
So nice of you dear! I'm sure you are an awesome student 👍 I'm glad you liked it! Please keep sharing premath channel with your family and friends. Take care dear and all the best😃 Have a very happy and blessed New Year!
i think this the best video ever made on cubic . thank u sir
What if none of the values work in synthetic division?
I love the Rational Roots Theorem
Thank you so much Kevin for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep sharing my channel with your family and friends. Take care dear and all the best 😃
Thanks! And please make a video on trigonometric identities.
You are very welcome! I've already made few videos on trig. Please search videos in my channel. If you want me to make videos on specific questions, please send it on my email: math@mycollege.org
Thank you so much for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep sharing my channel with your family and friends. Take care dear and all the best 😃
How do u solve 2x'3 - 9 x'2 + 12x+4 using this
Please acknowledge me which software used to make video.
Thanxxx a lot 😊😊😊
It really helped me a lot
I shared the concept amongst my frnds & they were quite surprised that I am studying these days 😂😂😂😂
You're very welcome Arpita! Thank you so much for taking the time to leave this comment. I'm glad you liked it! Your feedback is always appreciated. Please keep sharing my channel with your family and friends. Take care dear 😃
can I have a solution of this equation from the same solution-:
z^3-5z^2+7z+21=0
thank u!
Popular Power thnx bro
but I need full solution from that method
Its your school homework ?😂😂
@@leaveitblank2625 bro this thing is not present at school level.
@@jayjain4341 oh?well it's not too hard to solve anyway or you can use online solving website if you want some complex solution 😁 .
@@leaveitblank2625 I did it....that's why I came to this video but can't find its answer by this method that's why I asked!
Thank you for this video on solving Cubic Equations.
In which grade do you guys usually learn it?
God bless you very much, you're a genius.
I finally found a lingering solutions to my eigenvalues characteristic determinant.
So nice of you, dear
Thank you! Cheers! 😀
@@PreMath I wish you show a lesson too, about vector spaces.
And also there're some of the equations I have that are not factorising.
Thank you so much
You are very welcome Flash! I'm sure you are a brilliant and bright student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃
@@PreMath aww... Your complement made my day
☺☺
We solve as math teachers cubics as well
You might look at some examples
ua-cam.com/video/ircZ_M1m3I8/v-deo.html
Yes absolutely
What if I not get R = 0 then how I get other solutions of equation
What if it has a negative remainder using the synthetic division?
What to do sir?
Hi can we be friends please ☺
I miss 5th grade when I thought a+b=c
Lmao
Take care dear and all the best😃
Thanks for making it even more confusing
This method only works for integer coefficients right?
If the coefficients are fractions, multiply them by a suitable number so that they become integers.
Ur Explaination is just awesome
Thanks so much this was incredibly helpful, so clear and straightforward!
You are very welcome Kailen! I'm sure you are a brilliant and bright student 👍 I'm glad you liked it! Please keep sharing my channel with your family and friends. Take care dear and all the best😃
0.011x³+2.355x²-729.167=0
Plz solve this
What does this rules called?
truely speaking thanks for this video it helped me solve a very tough question whose root is 17 and other are complex numbers
Nice....but it's a time taking procedure
guys this guy is legit doing it the wrong way
it's like a really basic thing
we can simply differentiate this equation and then with the gradient solve it for x and y...
Super helpful, thanks!
How did u factor?
Thanks sir
Dear Parveen Kachura , you are very welcome. Thank you so much for taking the time to leave this comment. I'm glad you liked the vid. Your feedback is always appreciated. Keep it up. Kind regards :)
He was even slower then sloth 🤣🤣😂😂🤣🤣
very well done, thanks for sharing bro
Does this work for any cubic?
Glad I wasn't stuck with someone like him,....
Brilliant 👏Thanks a lot for this sir 🙏
Is there a shorter method
what if they give you the 3 roots and then ask you what a,b, and c are.
You can multiply them to get cubic equation