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24 August, 09:20

The length of a garden is 4 m longer than the width. if the area of the garden is 196m^2, find the width of the garden.

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  1. 24 August, 13:03
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    L = 4 + w

    w = w

    A = 196 m^2

    A = lw

    A = (4+w) w

    196 = w^2 + 4w

    w^2 + 4w - 196 = 0

    The quadratic roots (or zeros) of the function are 12 and - 16.

    Since - 16 does not make sense as a measure of width, then 12 is the answer.
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