document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=460452>Question 460452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%2B9%29%28x%5E2-2y%29 ALIGN=MIDDLE  ALT=\"%28x%5E2%2B9%29%28x%5E2-2y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "By using foil, I got:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E4-2xy%5E2%2B9x%5E2-18y ALIGN=MIDDLE  ALT=\"x%5E4-2xy%5E2%2B9x%5E2-18y\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This of course is the wrong answer according to the guide in the back of my textbook. So, I tried a few other things and keep getting the wrong answer. The correct answer is as follows:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E4%2B5x%5E2-36 ALIGN=MIDDLE  ALT=\"x%5E4%2B5x%5E2-36\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "For the life of me, I can't figure out how this could be right. Please help me understand this! Thank you in advance for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315795 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=315795\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Answer: x^4-2x^2y+9x^2-18y<BR>\n" );
document.write( "Why doesn't the book's answer have a y someplace in it?<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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