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9 September, 12:43

The area of a rectangular pool is (14x^2+21x) square feet. If it is 7x feet long, what is the width, in feet?

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Answers (2)
  1. 9 September, 13:16
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    Try 3x^2 that should be it
  2. 9 September, 14:01
    0
    (14x^2+21x) = 7x (2x + 3)

    A = L * W

    but L = 7x so W = 2x + 3

    answer: width is (2x + 3) feet
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