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11-02-2018
Mathematics

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the length and width of a rectangular patio are (x+8) feet and (x+6) feet, respectively. If the area of the patio is 160 square feet, what are the dimensions of the patio?

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11-02-2018

(x + 8) (x + 6) = 160
x² +6x +8x +48 = 160
x² +6x +8x +48 - 160 =0
x² +14x -112=0

You have to calculate the discriminant.

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