Adding and Subtracting Radical Expressions With Square Roots and Cube Roots
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- Опубліковано 24 січ 2018
- This algebra video tutorial explains how to add and subtract radical expressions with square roots and cube roots all with variables and exponents. You need to simplify the radical expressions before adding or subtracting the radical expressions. The number inside the square root must be the same before you can add or subtract the coefficients.
Square Roots and Cube Roots: • Square Roots and Cube ...
Simplifying Radical Expressions:
• Simplifying Radicals
Multiplying Radical Expressions:
• Multiplying Radical Ex...
Adding & Subtracting Radicals:
• Adding and Subtracting...
Simplifying Cube Root Expressions:
• How To Simplify Cube R...
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Rationalizing The Denominator:
• Rationalize The Denomi...
Multiplying Radicals With Different Indices:
• Multiplying Radical Ex...
How To Solve Radical Equations:
• Solving Radical Equations
Solving Equations With Cube Roots:
• Solving Equations With...
Solving Complex Radical Equations:
• How To Solve Complex R...
____________________________________
How To Graph Radical Functions:
• How To Graph Radical F...
Domain of Radical Functions:
• How To Find The Domain...
How To Graph Cube Root Functions:
• Graphing Cube Root Fun...
Radical Expressions - Test Review:
• Simplifying Radical Ex...
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For these expressions witch looks like (a+b)^2 we can use a formula directly like a^2+2ab+b^2 for (a-b)^2 is a^2-2ab+b^2
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MR. Organic Chemistry Tutor ,thank you for another exceptional video/lecture on Adding/Subtracting Radical Expressions With Square Roots and Cube Roots in Algebra. These are simple topics that really help in Advanced Mathematics.
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At 6:30 we can use (A)²-(B)²
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Why do i get an answer of "208 sqrt of 3 + 8" instead of the answer at 10:54, using (a+b)^3 = a^3 + 3a^2b + 3ab^2 + b^3 ??
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Wait, can't it be 10*(3^.5+5^.5)?
What happens when something like 12\sqrt(2)-12\sqrt(7) or 3\sqrt(32)-4\sqrt(63) happens?
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got a CBA tmr basically the test of the unit I hope i pass
On 5:55 why can you multiply the square root of 3 by 4 but not the square root of 7, they're both in the radical while 4 is outside of it?
Will there be a difference if we write the simplified numbers under one root? -1:48
Do you mean to write 3√4×2 - 5√9×2 if yes then Yes you can write it
I'm here because my math class is my last subject--wherein there's no braincell left so I can't process what my teacher is saying..
how about square root of x+1 added to square root of x-1?
What about theses types: ( /= square root of) 3/8 - /2
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7:00 for this you can use a formula a^2-b^2
Thanks