document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=701316>Question 701316</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 12 – 4a – 3b – ab\r<BR>\n" );
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document.write( "use factoring by grouping to factor it\r<BR>\n" );
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document.write( "Please advise the answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #432395 by </B><A HREF=/tutors/aboutme.mpl?userid=neatmath><B>neatmath(302)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=neatmath><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=neatmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=432395\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><font face=\"Tahoma\"><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12-4a-3b-ab ALIGN=MIDDLE  ALT=\"12-4a-3b-ab\"   DISABLED_style= \"max-width:90%; height:auto;\" > given<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812-4a%29-%283b-ab%29 ALIGN=MIDDLE  ALT=\"%2812-4a%29-%283b-ab%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > group the terms to see if it will work<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A%283-a%29-3b%2A%283-a%29 ALIGN=MIDDLE  ALT=\"4%2A%283-a%29-3b%2A%283-a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > factor 4 out of the first group, and 3b out of the second<br>\r<BR>\n" );
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document.write( "And you can see that we do have a common term of (3-a).<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284-3b%29%283-a%29 ALIGN=MIDDLE  ALT=\"%284-3b%29%283-a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > final factored form<br>\r<BR>\n" );
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document.write( "Factoring by grouping can be fairly tricky.<br>\r<BR>\n" );
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document.write( "But this is a good example of how it works.<br>\r<BR>\n" );
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document.write( "It is not the most common of factoring methods, but it is good to be aware of.<br>\r<BR>\n" );
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document.write( "I hope this helps!  Keep practicing!  :)<br>\r<BR>\n" );
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