document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=419966>Question 419966</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A square quilt has a border that is 1 foot wide on each side. The quilt has an area of 25 square feet. What is the length of the quilt without the border? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #293603 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=293603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A square quilt has a border that is 1 foot wide on each side.<BR>\n" );
document.write( " The quilt has an area of 25 square feet.<BR>\n" );
document.write( " What is the length of the quilt without the border?<BR>\n" );
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document.write( "Let x = length of each side without the border<BR>\n" );
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document.write( "A 1' border adds 2' to each dimension of the inner square<BR>\n" );
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document.write( "(x+2)^2 = 25<BR>\n" );
document.write( "FOIL<BR>\n" );
document.write( "x^2 + 4x + 4 = 25<BR>\n" );
document.write( "x^2 + 4x + 4 - 25 = 0<BR>\n" );
document.write( "x^2 + 4x - 21 = 0<BR>\n" );
document.write( "Factors to<BR>\n" );
document.write( "(x+7)(x-3) = 0<BR>\n" );
document.write( "positive solution is what we want here<BR>\n" );
document.write( "x = 3 ft on each side without the border </SPAN>\n" );
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