thelovinjess thelovinjess

24-02-2018
Mathematics

contestada

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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Janay1012 Janay1012

24-02-2018

A = lw

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

A=x²+22x+120

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