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27 August, 22:35

The rectangle below has an area of 81 - x^2 square meters and a width of 9 - x meters

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  1. 28 August, 01:24
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    The width would be 9 + x

    Step-by-step explanation:

    In order to find this, we must first factor the area. This will give us two things that are being multiplied together.

    81 - x^2 = (9 - x) (9 + x)

    Since the area is the length times the width and the width is x - 9, we know the length must be x + 9
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