document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=223600>Question 223600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> factor by grouping<BR>\n" );
document.write( "7a^2-2bc-7ab+2ac </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167180 by </B><A HREF=/tutors/aboutme.mpl?userid=drj><B>drj(1380)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drj><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=drj><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=167180\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7a%5E2-2bc-7ab%2B2ac ALIGN=MIDDLE  ALT=\"7a%5E2-2bc-7ab%2B2ac\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 1.  Rearrange the order of terms so we can start grouping\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7a%5E2-2bc-7ab%2B2ac=7a%5E2-7ab%2B2ac-2ab=+%287a%5E2-7ab%29%2B%282ac-2bc%29 ALIGN=MIDDLE  ALT=\"7a%5E2-2bc-7ab%2B2ac=7a%5E2-7ab%2B2ac-2ab=+%287a%5E2-7ab%29%2B%282ac-2bc%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 2. Now factor out 7a from the first group and 2c from the second group.\r<BR>\n" );
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document.write( "Step 3.  We see that (a-b) is a common factor in the two groups, so factor it out...\r<BR>\n" );
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document.write( "Step 4.  ANSWER:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7a%5E2-2bc-7ab%2B2ac=%28a-b%29%287a%2B2c%29 ALIGN=MIDDLE  ALT=\"7a%5E2-2bc-7ab%2B2ac=%28a-b%29%287a%2B2c%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I hope the above steps were helpful.\r<BR>\n" );
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document.write( "For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r<BR>\n" );
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document.write( "Good luck in your studies!\r<BR>\n" );
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document.write( "Respectfully,<BR>\n" );
document.write( "Dr J </SPAN>\n" );
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