document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1156399>Question 1156399</A>: <I><SPAN STYLE=\"word-break: break-all;\">  If the length of a rectangle is 7 meters less than twice the width, we have<BR>\n" );
document.write( "L=2W-7<BR>\n" );
document.write( "If the area is 60 square meters, we have <BR>\n" );
document.write( "L×W=60 substitute L<BR>\n" );
document.write( "(2W-7)×W=60<BR>\n" );
document.write( "2W^2-7W=60<BR>\n" );
document.write( "2W^2-7W-60=0<BR>\n" );
document.write( "2W^2-15W+8W-60=0<BR>\n" );
document.write( "(2W^2+8W)-(15W-60)=0<BR>\n" );
document.write( "2W(W+4)-15(W+4)=0<BR>\n" );
document.write( "(W+4)(2W-15)=0<BR>\n" );
document.write( "2W-15=0 W=15/2 W=7.5 <BR>\n" );
document.write( "Can someone explain where the 15 and 8 came from? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #779101 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52788)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=779101\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
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document.write( "May I give an advise to you ?\r\n" );
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document.write( "The problem is reduced to the quadratic equation \r\n" );
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document.write( "    2W^2 - 7W - 60 = 0.\r\n" );
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document.write( "From this point, simply solve it using the quadratic formula.\r\n" );
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document.write( "That is all.\r\n" );
document.write( "</PRE>\r<BR>\n" );
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document.write( "Save your mind for greater deals.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );