document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203737>Question 203737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The width of a rectangular playground is 2x-5 feet and the length is 3x + 9 feet. Write a polynomial P (x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153712 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=153712\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     The width of a rectangular playground is 2x-5 feet and the length is 3x + 9 feet. Write a polynomial P (x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.<BR>\n" );
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document.write( "Since the perimeter of any rectangle is:<BR>\n" );
document.write( "2 times width plus length<BR>\n" );
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document.write( "P(x) = 2((2x-5)+(3x+9))<BR>\n" );
document.write( "P(x) = 2(2x-5+3x+9)<BR>\n" );
document.write( "P(x) = 2(5x+4)<BR>\n" );
document.write( "P(x) = 10x+8<BR>\n" );
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document.write( "So, if x = 4<BR>\n" );
document.write( "P(4) = 10(4)+8<BR>\n" );
document.write( "P(4) = 40+8<BR>\n" );
document.write( "P(4) = 48 feet\r<BR>\n" );
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