document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=579391>Question 579391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to factor this problem.  18x^3-2x\r<BR>\n" );
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document.write( "I know I must use a formula.  a^3-b^3=(a-b)(a^2+ab+b^2)<BR>\n" );
document.write( "This is what I did.\r<BR>\n" );
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document.write( "18^3-2x<BR>\n" );
document.write( "(18-2)(18^2+9+2^2)<BR>\n" );
document.write( "(9-2)(9^2+9+1*2)<BR>\n" );
document.write( "2(3+3+1)<BR>\n" );
document.write( "This is not the answer and I don't know what I am doing wrong.  Can you help me please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370969 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370969\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> common factors first ___ 2x (9x^2 - 1)\r<BR>\n" );
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document.write( "difference of squares ___ 2x(3x + 1)(3x - 1) </SPAN>\n" );
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