document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77412>Question 77412</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Please help.<BR>\n" );
document.write( "Factor the following binomial.<BR>\n" );
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document.write( "25x^2 – 81y^2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55531 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=55531\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ERROR Algebra::Solver::Engine::invoke_solver_noengine: solver not defined for name 'quadratic_factoring'.\n" );
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document.write( " <TR><TD >Error occurred executing solver 'quadratic_factoring' .</TD></TR>\n" );
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document.write( "Now introduce the y term into the factorization:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285x%2B9y%29%285x-9y%29 ALIGN=MIDDLE  ALT=\"%285x%2B9y%29%285x-9y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So in other words, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25x%5E2+-+81y%5E2 ALIGN=MIDDLE  ALT=\"25x%5E2+-+81y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > factors to \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285x%2B9y%29%285x-9y%29 ALIGN=MIDDLE  ALT=\"%285x%2B9y%29%285x-9y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Note: this binomial is a perfect square. All perfect squares of the form\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-y%5E2 ALIGN=MIDDLE  ALT=\"x%5E2-y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "factor to\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%28x%29%2Bsqrt%28y%29%29%28sqrt%28x%29-sqrt%28y%29%29 ALIGN=MIDDLE  ALT=\"%28sqrt%28x%29%2Bsqrt%28y%29%29%28sqrt%28x%29-sqrt%28y%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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