document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168421>Question 168421</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977258/algebrahomeworkh>Algebra and Trigonometry Structure and Method book 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I have been struggling to figure out this math problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!!\r<BR>\n" );
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document.write( "Problem Solving Using Polynomial Equations<BR>\n" );
document.write( "Solve.<BR>\n" );
document.write( "A farmer plans to use 25m of fencing to enclose a rectangular pen that has a area of 63m^2. Only three side of the pen need fencing because part of a existing wall will be used for one of the longer sides. Find the dimensions of the pen. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124132 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> L * W = 63\r<BR>\n" );
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document.write( "L + 2W = 25 __ L = 25 - 2W  __  substituting __  (25-2W)*W=63 __ 2W^2-25W+63=0\r<BR>\n" );
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document.write( "factoring __ (2W-7)(W-9)=0\r<BR>\n" );
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document.write( "2W-7=0 __ W=7/2 __ substituting __ L+2(7/2)=25 __ L=18\r<BR>\n" );
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document.write( "W-9=0 __ W=9 __ substituting __ L+2(9)=25 __ L=7\r<BR>\n" );
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document.write( "the length is more than the width, so the 1st solution is the correct one </SPAN>\n" );
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