document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=476870>Question 476870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if each side of a square lot is increased of 4 feet, its area increased by 216<BR>\n" );
document.write( "square feet. find the side of the original square lot.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327149 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=327149\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if each side of a square lot is increased of 4 feet, its area increased by 216<BR>\n" );
document.write( "square feet. find the side of the original square lot.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "New area - old area = 216 sq/ft<BR>\n" );
document.write( "(x+4)^2 - x^2 = 216<BR>\n" );
document.write( "FOIL<BR>\n" );
document.write( "x^2 + 8x + 16 - x^2 = 216<BR>\n" );
document.write( "Combine like terms<BR>\n" );
document.write( "8x = 216 - 16<BR>\n" );
document.write( "8x = 216<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2F8 ALIGN=MIDDLE  ALT=\"200%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 25 ft is the side of the original square<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check this<BR>\n" );
document.write( "29^2 - 25^2 =<BR>\n" );
document.write( "841 - 625 = 216, confirms our solution </SPAN>\n" );
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