document.write( "Question 39211: Perimeter of a rectangle.
\n" ); document.write( "Question: the width of a rectangular playground is 2x - 5 feet, and the length is 3x + 9 feet. Write polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.\r
\n" ); document.write( "\n" ); document.write( "I dont even know where to begin in solving this
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Algebra.Com's Answer #24644 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
Perimeter is twice the length plug twice the width.
\n" ); document.write( "P(x)=2(2x-5)+2(3x+9)
\n" ); document.write( "P(x)=4x-10+6x+18
\n" ); document.write( "P(x)=10x+8
\n" ); document.write( "P(4)=10(4)+8
\n" ); document.write( "P(4)=48ft.
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