Geometry

Area=432
width is 6 feet less than length. what's the length.
I haven't done this since the beginning of the year so I could really use the help remembering how.

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  1. length ---- x
    width ------ x-6

    x(x-6) = 432
    x^2 - 6x - 432 = 0

    solve as a quadratic. hint: it factors, but the quadratic formula will
    also give you the answer.
    Personally, I would have completed the square.

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