document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=209412>Question 209412</A>: <I><SPAN STYLE=\"word-break: break-all;\"> could any one help with this factoring prob\r<BR>\n" );
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document.write( "   y^2(a+b)-4(a+b) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158337 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=158337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y^2(a+b) -4(a+b)<BR>\n" );
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document.write( "This  factor  is  hard  to  visualize,  If  we  had  lm - nm,,,,m(l-n) is  ok,,,????<BR>\n" );
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document.write( "in  this  case,,,  m=(a+b),,,l=y^2,,,n=4<BR>\n" );
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document.write( "or,,,(a+b)(y^2-4),,,review  several  times  until  confident<BR>\n" );
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document.write( "unfortunately  the  result  still  has  another  factor,,y^2-4,,  which is  difference  of  squares<BR>\n" );
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document.write( "(a+b)(y+2)(y-2),,,,answer<BR>\n" );
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document.write( "to  check,,,multiply  factors<BR>\n" );
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document.write( "(a+b)(y+2)(y-2)<BR>\n" );
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document.write( "(a+b) (y^2 -2y+2y-4)<BR>\n" );
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document.write( "(a+b) (y^2 -4)<BR>\n" );
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document.write( "ay^2 -4a +by^2 -4b\r<BR>\n" );
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document.write( "ay^2 +by^2 -4a -4b\r<BR>\n" );
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document.write( "y^2(a+b) -4(a+b),,,,,,,,ok<BR>\n" );
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