SOLUTION: the width of a rectangular playground is 2x-5 feet, and the length is 3x+9 feet. Write a polynomial P(x) tgat represents the perimeter and then evalute this perimeter polynomial if

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: the width of a rectangular playground is 2x-5 feet, and the length is 3x+9 feet. Write a polynomial P(x) tgat represents the perimeter and then evalute this perimeter polynomial if      Log On

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Question 327287: the width of a rectangular playground is 2x-5 feet, and the length is 3x+9 feet. Write a polynomial P(x) tgat represents the perimeter and then evalute this perimeter polynomial if x is 4 feet.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W
P=2(3X+9)+2(X-5)
P=6X+18+2X-10
P=8X+8
X(4)=8*4+8
X(4)=32+8
X(4)=40 ANS. FOR THE PERIMETER WHEN X=4.