document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164790>Question 164790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me <BR>\n" );
document.write( "I need help with factor by grouping...<BR>\n" );
document.write( "3x^3 + 15x^2 - 12x^2 - 60x<BR>\n" );
document.write( "How can you group them when they all have different exponents????<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121440 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=121440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x^3 + 15x^2 - 12x^2 - 60x<BR>\n" );
document.write( "(3x^3 + 15x^2) - (12x^2 + 60x)<BR>\n" );
document.write( "Notice the sign change in the second group.<BR>\n" );
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document.write( "Now, factor each group:<BR>\n" );
document.write( "3x^2(x + 5) - 12x(x + 5)<BR>\n" );
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document.write( "Now, factor out (x+5)<BR>\n" );
document.write( "(x+5)[3x^2 - 12x]<BR>\n" );
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document.write( "Now, factor terms inside the []:<BR>\n" );
document.write( "(x+5)(3x)[x - 4]<BR>\n" );
document.write( "Resulting in:<BR>\n" );
document.write( "(3x)(x+5)(x-4)\r<BR>\n" );
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