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Math Help - simplifying each rational expression

  1. #1
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    simplifying each rational expression

    Any help will be greatly appreciated, thanks in advance
    1.(solved)

    18y
    ___

    9y^4


    2.

    4t+12
    _____

    t^2-9
    Last edited by imbadatmath; March 31st 2008 at 11:30 AM.
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  2. #2
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    Quote Originally Posted by imbadatmath View Post
    Any help will be greatly appreciated, thanks in advance
    1.

    18y
    ___

    9y^4


    2.

    4t+12
    _____

    t^2-16
    1.)

    \frac{18y}{9y^4} = \frac{2}{y^2}

    2.)
    \frac{4t+12}{t^2-16} = \frac{4(t+3)}{(t+4)(t-4)} This can't be simplified.
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  3. #3
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    Im sorry I just made a correction it was t^2-9
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  4. #4
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    number 2 correct question is
    4t+12
    _____

    t^2-9
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