document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=46039>Question 46039</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 5x^2-9x-2  How do you identify a factor of this trinomial using the AC method? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30590 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=30590\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x^2 - 9x - 2<BR>\n" );
document.write( "a = 5 b = -9 c = -2<BR>\n" );
document.write( "ac = -10<BR>\n" );
document.write( "Factors of ac: -1,10 : -2,5 : 2,-5 : 1,-10<BR>\n" );
document.write( "1,-10 sum up to b(-9)<BR>\n" );
document.write( "5x^2 - 10x + x - 2<BR>\n" );
document.write( "(5x^2 - 10) + (x - 2)<BR>\n" );
document.write( "5x(x - 2) + 1(x - 2)<BR>\n" );
document.write( "(5x + 1)(x - 2) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );