document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=30341>Question 30341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following is a factor of the polynomial x^2 - x - 20?\r<BR>\n" );
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document.write( "A) x-5<BR>\n" );
document.write( "B) x-4<BR>\n" );
document.write( "C) x+2<BR>\n" );
document.write( "D) x+5<BR>\n" );
document.write( "E) x+10  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #17006 by </B><A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><B>sdmmadam@yahoo.com(530)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><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=17006\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 - x - 20 ----(1)<BR>\n" );
document.write( "=x^2 - 5x+4x - 20   (splitting the middle term (-x) into two terms so that their sum is (-x) and their product is the product of the square term and the constant term.)<BR>\n" );
document.write( "=(x^2 - 5x)+ (4x - 20)<BR>\n" );
document.write( "=x(x-5)+4(x-5)<BR>\n" );
document.write( "=xp+4p where p= (x-5)<BR>\n" );
document.write( "= p(x+4)<BR>\n" );
document.write( "=(x-5)(x+4)<BR>\n" );
document.write( "This means (x-5) and (x+4) are factors\r<BR>\n" );
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document.write( "Of the given choices, the choice A) holds  \r<BR>\n" );
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document.write( " </SPAN>\n" );
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