document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186239>Question 186239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 4m by 6m rug covers half the floor area of a room and leaves a uniform strip of base floor around the edges. What are the dimensions of the room? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139619 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=139619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4*6=24 m^2 is the area of the rug.<BR>\n" );
document.write( "(4+2x)(6+2x)=2*24<BR>\n" );
document.write( "24+12x+4x+4x^2=48<BR>\n" );
document.write( "8x+12x+24-48=0<BR>\n" );
document.write( "8x+12x-24=0<BR>\n" );
document.write( "4(2x^2+3-6)=0<BR>\n" );
document.write( "4(2x-2)(x+3)=0<BR>\n" );
document.write( "2x-2=0<BR>\n" );
document.write( "2x=2<BR>\n" );
document.write( "x=1 m. is the width of the edge.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "(4+2*1)(6+2*1)=2*24<BR>\n" );
document.write( "(4+2)(6+2)=48<BR>\n" );
document.write( "6*8=48<BR>\n" );
document.write( "48=48\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );