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16 February, 23:46

The area of a rectangular school yard is given by the equation x^2 + 13x + 42 as measured in square yards. The teacher wants you to run the length. How far will you run if x = 33?

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  1. 17 February, 00:18
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    Step-by-step explanation:

    A=x²+13 x+42=x²+7 x+6 x+42=x (x+7) + 6 (x+7) = (x+7) (x+6)

    L=x+7

    W=x+6

    when x=33

    L=33+7=40

    W=33+6=39

    Length=40 yards
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