document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106817>Question 106817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, could you please help me with this factoring equation?\r<BR>\n" );
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document.write( "x^3-9x+x^2-9   I am supposed to factor this completely. I tried many different  combinations, none of which work. How do I figure this one out? Thank you, Paul </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77743 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=77743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^3-9x+x^2-9 I am supposed to factor this completely:<BR>\n" );
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document.write( "How about this:<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "x^3 + x^2 - 9x - 9<BR>\n" );
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document.write( "Group factoring<BR>\n" );
document.write( "(x^3 + x^2) - (9x + 9);sign changes on the 9<BR>\n" );
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document.write( "x^2(x + 1) - 9(x + 1)<BR>\n" );
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document.write( "Factor out (x+1) and you have:<BR>\n" );
document.write( "(x + 1) (x^2 - 9)<BR>\n" );
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document.write( "x^2 - 9 is the difference of squares<BR>\n" );
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document.write( "(x + 1) (x - 3) (x + 3)<BR>\n" );
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document.write( "Did this help you? </SPAN>\n" );
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