document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40108>Question 40108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is actually about \"unfoiling\".  Is there a quick and easy way to figure out the binomials when unfoiling.  As an example:<BR>\n" );
document.write( "2x^2 - 9x + 4.  How do I know how to choose the right numbers to factor this into two binomials?  Is there a different rule for positive and/or negative numbers.<BR>\n" );
document.write( "Thanks very much.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25553 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=25553\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> IF THE FIRST & THIRD NUMBERS ARE + & THE MISSLE NUMBER IS - THEN THE FIRST OR THE THIRD FACTORS MUST BOTH BE NEGATIVE.<BR>\n" );
document.write( "THUS IN THIS CASE WE HAVE (2X-1)(X-4) OR (-2X+1)(-X+4) IN EITHER CASE WE HAVE <BR>\n" );
document.write( "X=1/2 & X=4 </SPAN>\n" );
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