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Thread: Dividing Rational Expressions

  1. March 7th 2011, 06:42 PM #1
    Phresh
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    Dividing Rational Expressions

    How would I simplify these expressions?
    http://i52.tinypic.com/10qf87n.jpg
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  2. March 7th 2011, 06:59 PM #2
    TheChaz
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    2.
    \frac{x^2 - 5x + 4}{2x - 8}*\frac{1}{3x^2 - 3x} =<br /> <br /> \frac{(x - 4)*(x - 1)}{2(x - 4)}*\frac{1}{3x(x - 1)} =<br /> <br /> ...

    (Ok, I'm LaTex impaired. Can anyone edit this?!?!)

    Can you take it from here?
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  3. March 7th 2011, 07:20 PM #3
    Wilmer
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    1: 7g / y^2 / 21g^3
    = 7g / (21g^3 y^2)
    = 1 / (3g^2 y^2)
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