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A rectangular painting with a width of x centimeters has an area x^2 + 50x square centimeters. Find a binomial that represents the length.

  • Math -

    Area = length x width
    but width = x, let the length be l
    so x(l) = x^2 + 50x
    l = (x^2 + 50x)/x
    = x + 50

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