document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141572>Question 141572</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A framer at a photo gallery wants to frame a print with a matte of uniform width all around the print.  To make it pleasing to the eye, the area of the matte should equal the area of the print.  If the print measures 40 cm by 60 cm, how wide should the matte be? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103148 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=103148\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 60*40=2400 cm^2<BR>\n" );
document.write( "Let x be the width of the matte.<BR>\n" );
document.write( "(2x+60)*(2x+40)=4800<BR>\n" );
document.write( "4x^2+200x+2400=4800<BR>\n" );
document.write( "4x^2+200x-2400=0<BR>\n" );
document.write( "4(x^2+50x-600)=0<BR>\n" );
document.write( "(x+60)(x-10)=0<BR>\n" );
document.write( "x=10 cm<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );