document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1066947>Question 1066947</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the sides of a square are increased by 3 &#8203;inches, the area becomes 81 square inches. Find the length of the sides 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 #682160 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=682160\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> side is x<BR>\n" );
document.write( "x^2 is area<BR>\n" );
document.write( "make side x+3<BR>\n" );
document.write( "area is (x+3^2)=x^2+6x+9=81<BR>\n" );
document.write( "x^2+6x-72=0<BR>\n" );
document.write( "(x+12)(x-6)=0<BR>\n" );
document.write( "only positive root is x=6 inches, <BR>\n" );
document.write( "sides of original were 6 x 6 inches<BR>\n" );
document.write( "when they become 9 x 9, the area is 81 sq inches.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );