document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313097>Question 313097</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular room has an area of 84 square feet. Its width is 9 more than 3 times the length. What are the dimensions of the rectangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223980 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223980\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> W=3L+9<BR>\n" );
document.write( "AREA=LW<BR>\n" );
document.write( "84=L(3L+9)<BR>\n" );
document.write( "84=3L^9L<BR>\n" );
document.write( "3L^2+9L-84=0<BR>\n" );
document.write( "3(L^2+3L-28)=0<BR>\n" );
document.write( "3(L+7)(L-4)=0<BR>\n" );
document.write( "L-4=0<BR>\n" );
document.write( "L=4 ANS.<BR>\n" );
document.write( "W=3*4+9=12+9=21 ANS.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "84=4*21<BR>\n" );
document.write( "84=84<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );