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13 April, 10:36

The dimensions of a playground are represented by a width of 10x+2 feet and a length of 5x - 5 feet. Write an expression that represents the area of the playground?

A. 50x^2+30x+4

B. 50x^2-40x-10

C. 50x^2+40x+10

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Answers (1)
  1. 13 April, 13:24
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    B) 50x^2-40x-10

    Step-by-step explanation:

    Assuming that the playground is rectangular, A=L•W

    A = (5x-5) (10x+2) Use the FOIL method

    = 50x^2+10x-50x-10 Combine like terms

    = 50x^2-40x-10
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