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Math Help - Simplify

  1. #1
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    Simplify

    I can't seem to get the right answer for this question and was wondering if i could get some help?

    x2-4/x-3 X 12-4x/x+2
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  2. #2
    MHF Contributor MarkFL's Avatar
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    Re: Simplify

    Without bracketing symbols, I am making an educated guess you are given to simplify:

    \frac{x^2-4}{x-3}\cdot \frac{12-4x}{x+2}

    First step: factor all numerators and denominators. What do you get?
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  3. #3
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    Re: Simplify

    i ended up with (x+2)(X-2) . -4(x-3) then cancelled common terms and was left with -4(x-2)

    however the answer in my textbook is -4x^2+20x-6 / x-3
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  4. #4
    MHF Contributor MarkFL's Avatar
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    Re: Simplify

    I agree with your result, which I would write as 4(2 - x).
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  5. #5
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    Re: Simplify

    thank you so much!
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