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18 August, 03:31

Sam decides to build a square garden. If the area of the garden is 4x2 + 28x + 49 square feet, what is the length of one side of the garden?

A. (2x + 7) feet

B. (7x + 2) feet

C. (2x - 7) feet

D. (7x - 2) feet

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Answers (1)
  1. 18 August, 05:23
    0
    The formula of a square area is A = L²

    so if A = 4x2 + 28x + 49, so the other length is A. (2x + 7) feet

    proof

    L = (2x + 7), L² = (2x + 7) ² = 4x2 + 28x + 49,
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