document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174347>Question 174347</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 21x^2+2x-3= (7x+3)(3x-1)\r<BR>\n" );
document.write( "\n" );
document.write( "Check:  (7x+3)(3x-1)=7x(3x)+7x(-1)+3(3x)+3(-1)=21x^2-7x+9x-3-21^2+2x-3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #129295 by </B><A HREF=/tutors/aboutme.mpl?userid=mattiewal><B>mattiewal(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mattiewal><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=129295\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 21x^2+2x-3= (7x+3)(3x-1)\r<BR>\n" );
document.write( "\n" );
document.write( "Check:  (7x+3)(3x-1)=7x(3x)+7x(-1)+3(3x)+3(-1)=21x^2-7x+9x-3-21^2+2x-3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );