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Math Help - understanding how this simplifies

  1. #1
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    understanding how this simplifies

    understanding how this simplifies-screen-shot-2012-11-14-3.05.58-am.png

    I keep gettingunderstanding how this simplifies-screen-shot-2012-11-14-3.10.07-am.png because I multiply 2x by x^2
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  2. #2
    MHF Contributor MarkFL's Avatar
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    Re: understanding how this simplifies

    What is x^2\cdot\frac{1}{x^2}?
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    Re: understanding how this simplifies

    x^2*1/x^2=x^2/x^2=1 but what about when you multiply x^2 by 2x?
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    MHF Contributor MarkFL's Avatar
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    Re: understanding how this simplifies

    The factor x^2 only applies to the first term in the numerator.
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  5. #5
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    Re: understanding how this simplifies

    of course! Sometimes sleep is needed to see the obvious. thanks!
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