document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=615293>Question 615293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "If the sides of a square are lengthened by 5 cm, the area becomes 144cm^2. Find the length of a side of the original square.\r<BR>\n" );
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document.write( "The length of a side of the original square is____cm. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387079 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=387079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let original length be x<BR>\n" );
document.write( "increased by 5<BR>\n" );
document.write( "length = x+5\r<BR>\n" );
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document.write( "Are = S^2\r<BR>\n" );
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document.write( "(x+5)^2= 144<BR>\n" );
document.write( "x^2+10x+25=144<BR>\n" );
document.write( "x^2+10x-119=0<BR>\n" );
document.write( "x^2+17x-7x-119=0<BR>\n" );
document.write( "x(x+17)-7(x+17)=0<BR>\n" );
document.write( "(x+17)(x-7)=0<BR>\n" );
document.write( "x= 7 OR -17\r<BR>\n" );
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document.write( "Ignore negative value<BR>\n" );
document.write( "x= 7 the original length </SPAN>\n" );
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