Simplify a rational expression

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  • Опубліковано 18 лип 2013
  • Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor completely the numerator and the denominator of the rational expression and cancel out terms common to both the numerator and the denominator of the rational expression.
    #rationalfunctions #simplifyrationalexpressions

КОМЕНТАРІ • 18

  • @brianmclogan
    @brianmclogan  11 років тому +15

    that's what keep me going

  • @colourlessfool5107
    @colourlessfool5107 3 роки тому +10

    No joke, math is all about simplfying. thnk you it helps so much

  • @anthonymorris6801
    @anthonymorris6801 2 роки тому +4

    I need more factoring like this, please. Thank you very much

  • @brianmclogan
    @brianmclogan  11 років тому +5

    thanks

  • @Yara0a
    @Yara0a 11 років тому +12

    You're an amazing person please dont stop what you're doing you have really helped me alot

  • @iscreamman0072
    @iscreamman0072 5 місяців тому +1

    Currently failing Algebra 2 and it is the end of the semester but I still have a few more assignments to save myself and thanks to this vid I might be able to do thank you so much for making it

  • @masterdebater1
    @masterdebater1 Рік тому +3

    Thank you so much for this video. I live in the Philippines and my teacher is mediocre at her job

  • @judah5511
    @judah5511 3 роки тому

    Nice.....

  • @Yara0a
    @Yara0a 11 років тому +5

    And you're also fun to watch :)

    • @thebuddeshawkins8756
      @thebuddeshawkins8756 Рік тому

      Yeah, it feels like I'm sitting in the classroom again (thats a good thing lol)

  • @Chris-mp4mr
    @Chris-mp4mr Рік тому +1

    You’re a g ma boi 🙏🏼

  • @liamwilliams6194
    @liamwilliams6194 11 місяців тому

    5/8 hmmmm... the solution for the rational expression using the quadratic formula for factoring

  • @quakers200
    @quakers200 2 місяці тому

    How often are we just by luck getting things that factor and even more unlikely have commom factors in the top and bottom. Math class.

  • @Justin-jy6fu
    @Justin-jy6fu Рік тому +2

    WHY? You don't explain why you are looking for a(c) or why you chose -24 and 10

    • @Whitham1234
      @Whitham1234 8 місяців тому

      a*c = -24 in the numerator, your b value is 10.

    • @paladinspride3187
      @paladinspride3187 6 місяців тому

      But how does it equal -24? How do you get a number from 2 letters and no numbers?? I've never been able to understand it.

    • @MaddiieBtw
      @MaddiieBtw 6 місяців тому

      @@paladinspride3187 in the trinomial equation above your a=8x^2 b=10x c=-3 in this case multiplying your a•c (8•-3)which are your a and c which equals 24.The ABC are just use to identify your variables from left to right