document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459431>Question 459431</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor completely -9 + 18x^2 + 21x  Please show step by step the factoring process, thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315044 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=315044\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 18x^2+21x-9<BR>\n" );
document.write( "=3(6x^2+7x-3)<BR>\n" );
document.write( "6*-3=-18; Two factors of -18 whose sum is 7 are 9 and -2.<BR>\n" );
document.write( "3(6x^2+9x-2x-3)<BR>\n" );
document.write( "=3(3x(2x+3)-(2x+3))<BR>\n" );
document.write( "=3(3x-1)(2x+3)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );