document.write( "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. \n" ); document.write( "
Algebra.Com's Answer #234422 by checkley77(12844)\"\" \"About 
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P=2L+2W
\n" ); document.write( "P=2(3X+9)+2(X-5)
\n" ); document.write( "P=6X+18+2X-10
\n" ); document.write( "P=8X+8
\n" ); document.write( "X(4)=8*4+8
\n" ); document.write( "X(4)=32+8
\n" ); document.write( "X(4)=40 ANS. FOR THE PERIMETER WHEN X=4.
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