document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=438184>Question 438184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the sides of a square are lengthened by 7 cm, the area becomes 121 cm^2. find the length of a side of the original square </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303077 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=303077\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x+7)(x+7)=121<BR>\n" );
document.write( "x2+14x+49=121<BR>\n" );
document.write( "x2+14x-72=0<BR>\n" );
document.write( "(x+18)(x-4)=0<BR>\n" );
document.write( "Throwing away the negative answer, we get x=4.. </SPAN>\n" );
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