document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=16727>Question 16727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A house has two rooms of equal area. One room is square and the other room is a rectangle 4 feet narrower and 5 feet longer than the square one. Find the area of each room. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8182 by </B><A HREF=/tutors/aboutme.mpl?userid=pwac><B>pwac(253)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=pwac><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=8182\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let one side of square = x.<BR>\n" );
document.write( "This gives the equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X%5E2=%28x-4%29%28x%2B5%29 ALIGN=MIDDLE  ALT=\"X%5E2=%28x-4%29%28x%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > expand brackets<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=x%5E2%2Bx-20 ALIGN=MIDDLE  ALT=\"x%5E2=x%5E2%2Bx-20\"   DISABLED_style= \"max-width:90%; height:auto;\" > transfer x terms to same side to give<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%5E2-x=-20 ALIGN=MIDDLE  ALT=\"x%5E2-x%5E2-x=-20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-x=-20 multiply both sides by -1<BR>\n" );
document.write( "x=20<BR>\n" );
document.write( "Pete </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );