document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168536>Question 168536</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2ax-2bx+ay-by </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124318 by </B><A HREF=/tutors/aboutme.mpl?userid=midwood_trail><B>midwood_trail(310)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=midwood_trail><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2ax-2bx+ay-by\r<BR>\n" );
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document.write( "I assume you want to factor.\r<BR>\n" );
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document.write( "When you have 4 terms, it is best to factor by groups.\r<BR>\n" );
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document.write( "2ax - 2bx = group 1\r<BR>\n" );
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document.write( "ay - by = group 2\r<BR>\n" );
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document.write( "2ax - 2bx = 2x( a - b)\r<BR>\n" );
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document.write( "ay - by = y(a - b)\r<BR>\n" );
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document.write( "Do you see the quantity (a - b)?\r<BR>\n" );
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document.write( "We only need one of them.\r<BR>\n" );
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document.write( "Final answer: (2x + y)(a - b)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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