document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=738087>Question 738087</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the factored expression of x^2+21x-100 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #450689 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=450689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Keep on using what you have been learning.  What two numbers, integers, have product -100 and have sum +21?\r<BR>\n" );
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document.write( "Pick possibilities using the product 100.<BR>\n" );
document.write( "10 and 10<BR>\n" );
document.write( "5 and 20<BR>\n" );
document.write( "4 and 25<BR>\n" );
document.write( "2 and 50\r<BR>\n" );
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document.write( "One of the parts of the combination will need (most likely) to be negative and the other positive.\r<BR>\n" );
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document.write( "Look at 4 and 25.  ONE of them must be positive and THE OTHER must be negative; but which?  <BR>\n" );
document.write( "-4+25= what?<BR>\n" );
document.write( "4+(-25)=what?<BR>\n" );
document.write( "(x_______)*(x_______)=x^2+21x-100 </SPAN>\n" );
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