thelovinjess
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 Janay1012
  • 24-02-2018
A = lw 


A=(x+10)(x+12) 


A=x²+22x+120
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