document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=481154>Question 481154</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the difference of two squares formula to factor. Be sure to factor out any common factor. Check\r<BR>\n" );
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document.write( "81x^2-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #329493 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=329493\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The difference of 2 squares is the sum * the difference<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2+-+b%5E2+=+%28a%2Bb%29%2A%28a-b%29 ALIGN=MIDDLE  ALT=\"a%5E2+-+b%5E2+=+%28a%2Bb%29%2A%28a-b%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > sum * difference<BR>\n" );
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