document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=338517>Question 338517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> z3 + 3z2 + 7z + 21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #242633 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=242633\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "You didn't say what you wanted done with this z3 + 3z2 + 7z + 21 but I'll assume you want it factored. Right?<BR>\n" );
document.write( "z3 + 3z2 + 7z + 21 <BR>\n" );
document.write( "First we can rewrite it as:<BR>\n" );
document.write( "z^2(z + 3) + 7(z + 3)<BR>\n" );
document.write( "Now we can rewrite it as:<BR>\n" );
document.write( "(z+3)(z^2+7)<BR>\n" );
document.write( "There we go. Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );