document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=234514>Question 234514</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you factor 3m^2-3n^2<BR>\n" );
document.write( "I don't no how to start the problem </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172906 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=172906\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remove the common factor found in each term.\r<BR>\n" );
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document.write( "Then divide each term by that common factor.\r<BR>\n" );
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document.write( "The common factor found in each term is 3.\r<BR>\n" );
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document.write( "Do you see 3 in each term?\r<BR>\n" );
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document.write( "3m^2 divide by 3 = m^2\r<BR>\n" );
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document.write( "3n^2 divide by 3 = n^2\r<BR>\n" );
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document.write( "We now have this: 3(m^2 - n^2)\r<BR>\n" );
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document.write( "Inside the parentheses, we have what is called the difference of two perfect squares.  We can factor that out to be (m - n)(m + n).\r<BR>\n" );
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document.write( "Final answer: 3(m - n)(m + n)\r<BR>\n" );
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document.write( "NOTICE:  The final answer has 3 factors.  Do you see the factors? </SPAN>\n" );
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