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17 October, 11:54

The length of a rectangle is 1 units more than the width. The area of the rectangle is 56 units. What is the length, in units, of the rectangle?

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  1. 17 October, 12:22
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    8

    Step-by-step explanation:

    Width is x.

    Length is (x + 1).

    Area = length*width

    56 = x (x+1)

    x² + x - 56 = 0

    (x+8) (x-7) = 0

    x = - 8, or x = 7

    " - 8" is impossible for width.

    So, width x = 7

    Length = (x+1) = 7+1 = 8
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