document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120428>Question 120428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand and comprehend the format of the problem. The problem is a factoring problem when you have to use the property of zero. The problem says \"A rug placed in a 10 foot by 12 foot room covers two-thirds of the floor area and leaves a uniform strip of bare floor around the edges. Find the dimensions of the rug.\" Could you please help me?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88266 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=88266\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the area of the room is 10*12 or 120 ft² __ two-thirds of this is 80 ft²\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "let x=\"width of uniform strip\", so the rug length is 12-2x and the width is 10-2x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "using the area __ (12-2x)(10-2x)=80 __ 120-44x+4x^2=80 __ 30-11x+x^2=20\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x^2-11x+10=0 __ (x-10)(x-1)=0 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );