document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946174>Question 946174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I factor this by showing steps taken \r<BR>\n" );
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document.write( "1-xy-20x^2 y^2 </SPAN>\n" );
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document.write( "1-xy-20x^2 y^2<BR>\n" );
document.write( "Don't put spaces between the variables.\r<BR>\n" );
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document.write( "1-xy-20x^2y^2<BR>\n" );
document.write( "You find a pair of factors of 20 that differ by 1.<BR>\n" );
document.write( "It's 4 & 5<BR>\n" );
document.write( "The xy term is negative --> the 5 is negative.<BR>\n" );
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document.write( "1 - xy - 20x^2y^2 = (1 + 4xy)*(1 - 5xy) </SPAN>\n" );
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