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17 June, 21:42

A square rug lies in the middle of a rectangular room. There are 7 feet of uncovered floor on 2 sides of the rug and 2 feet of uncovered floor on the other 2 sides. Find a polynomial expression for the area of the room in terms of x, the side length of the rug.

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  1. 17 June, 22:02
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    A = lw

    A = (x+10) (x+12)

    A=x²+22x+120
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