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14 August, 20:45

The area of the rectangle 56cm. the length is 2cm more than x and the with is 5cm less than twice x. solve for x. round the nearest whole number.

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  1. 14 August, 20:52
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    X will equal 6 centimeters
  2. 14 August, 21:03
    0
    (x+2) (2x-5) = 56

    2x^2-5x+4x-10=56

    2x^2-x-10=56

    2x^2-x-66=0

    2x^2-12x+11x-66=0

    2x (x-6) + 11 (x-6) = 0

    (2x+11) (x-6) = 0, since x is a measurement x>0 so:

    x=6cm
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