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Math Help - Triangle

  1. #1
    Junior Member
    Joined
    Oct 2007
    Posts
    68

    Triangle

    If the area of a triangle is x^3+x^2-4x-4 and the height is 2x+2, find the base in terms of x

    Given choices

    A x^2-4

    B 2x^2-8

    C \frac{x^2-4}{2}

    D x^2-2
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  2. #2
    Senior Member
    Joined
    Dec 2007
    From
    Melbourne
    Posts
    428
    A = 0.5bh

    A = x^3+x^2-4x-4
    h = 2x+2.

    Now you can solve for b
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