document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=995480>Question 995480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The dimensions of a door are 3 ft wide by 7 ft 6 in high. If the same amount is added to each dimension of the door, the area is increased by 67.5 ft2. Find the dimensions of the new door. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #614226 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=614226\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The dimensions of a door are 3 ft wide by 7 ft 6 in high. If the same amount is added to each dimension of the door, the area is increased by 67.5 ft2. Find the dimensions of the new door.<BR>\n" );
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document.write( "3*7.5 = 22.5 sq ft<BR>\n" );
document.write( "(3+x)*(7.5+x) = 22.5 + 67.5 = 90<BR>\n" );
document.write( "x^2 + 10.5x - 67.5 = 0<BR>\n" );
document.write( "(x + 15)*(x - 4.5) = 0<BR>\n" );
document.write( "x = 4.5 feet </SPAN>\n" );
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