document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213941>Question 213941</A>: <I><SPAN STYLE=\"word-break: break-all;\"> factor the polynomials.\r<BR>\n" );
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document.write( "x^2+ x-20 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161599 by </B><A HREF=/tutors/aboutme.mpl?userid=drj><B>drj(1380)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drj><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=drj><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=161599\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Factor the polynomials.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B+x-20=%28x%2B5%29%2A%28x-4%29 ALIGN=MIDDLE  ALT=\"x%5E2%2B+x-20=%28x%2B5%29%2A%28x-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Note we need to find two numbers A and B such that A*B=-20 and A+B=1.  After trial and error like A=1, B=-20 or A=2 and B=-20 the numbers that satisfy these relationships are A=5 and B=-4.\r<BR>\n" );
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document.write( "where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2Bx-20=x%5E2%2B%28A%2BB%29x%2BA%2AB ALIGN=MIDDLE  ALT=\"x%5E2%2Bx-20=x%5E2%2B%28A%2BB%29x%2BA%2AB\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "We can check our factoring by using the FOIL method as well.\r<BR>\n" );
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document.write( "I hope the above steps were helpful.\r<BR>\n" );
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document.write( "For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r<BR>\n" );
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document.write( "Good luck in your studies!\r<BR>\n" );
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document.write( "Respectfully,<BR>\n" );
document.write( "Dr J </SPAN>\n" );
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