document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=521397>Question 521397</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How wide a border of uniform width should be added to a rectangle that is 8 inches by 12 inches in order to double the area?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346458 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=346458\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x be the width\r<BR>\n" );
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document.write( "Area = L*W\r<BR>\n" );
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document.write( "Area = 1288=96<BR>\n" );
document.write( "double  area = 192\r<BR>\n" );
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document.write( "(8+2x)(12+2x)= 192\r<BR>\n" );
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document.write( "8(12+2x)+2x(12+2x)=192\r<BR>\n" );
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document.write( "96+40x+4x^2=192\r<BR>\n" );
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document.write( "4x^2+40x-96=0<BR>\n" );
document.write( "/4<BR>\n" );
document.write( "x^2+10x-24=0<BR>\n" );
document.write( "x^2+12x-2x-24=0<BR>\n" );
document.write( "x(x+12)-2(x+12)=0<BR>\n" );
document.write( "(x+12)(x-2)=0\r<BR>\n" );
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document.write( "x the width = 2 inches\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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