document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=359476>Question 359476</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a room contains 144 chairs the number of chairs per row is two less than twice the number of rows. find the number of rows and the number of chairs per row. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256486 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=256486\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let rows be x<BR>\n" );
document.write( "chairs = 2x-2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x(2x-2)=144<BR>\n" );
document.write( "2x^2-2x=144<BR>\n" );
document.write( "x^2-x-72=0<BR>\n" );
document.write( "x^2-9x+8x-72=0<BR>\n" );
document.write( "x(x-9)+8(x-9)=0<BR>\n" );
document.write( "(x-9)(x+8)=0<BR>\n" );
document.write( "rows are 9 <BR>\n" );
document.write( "chairs = 2x-2 = 18-2 = 16<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );