document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=93443>Question 93443</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Subtracting Polynomials:<BR>\n" );
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document.write( "Perimeter of a rectangle the width of a rectangular play ground 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 polynomials 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 #68119 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=68119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Width(W) of rectangle=2x-5 ft<BR>\n" );
document.write( "Length(L) of rectangle=3x+9 ft\r<BR>\n" );
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document.write( "And we know that the Perimeter (P(x)) of rectangle=2W+2L\r<BR>\n" );
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document.write( "So our equation is:\r<BR>\n" );
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document.write( "2(2x-5)+2(3x+9)=P(x)  get rid of parens\r<BR>\n" );
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document.write( "4x-10+6x+18=P(x)  collect like terms\r<BR>\n" );
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document.write( "10x+8=P(x)  if x=4, then:\r<BR>\n" );
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document.write( "P(4)=10*4+8=48 ft\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "If x=4, then:<BR>\n" );
document.write( "Width(W)=2x-5=2*4-5=3 ft<BR>\n" );
document.write( "and Length(L)=3x+9=3*4+9=21\r<BR>\n" );
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document.write( "Perimeter (P)=2W+2L=2*3+2*21=6+42=48<BR>\n" );
document.write( "48=48\r<BR>\n" );
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document.write( "Hope this helps----ptaylor\r<BR>\n" );
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