document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=73530>Question 73530</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please simplify the following expressions: (4m^2-9n^2)-(5m^2-12mn+9n^2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #52942 by </B><A HREF=/tutors/aboutme.mpl?userid=tazoftroy><B>tazoftroy(22)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tazoftroy><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=52942\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This factors into:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282m%2B3n%29%282m-3n%29%285m%5E2-12mn%2B9n%5E2%29 ALIGN=MIDDLE  ALT=\"%282m%2B3n%29%282m-3n%29%285m%5E2-12mn%2B9n%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The first part of the equation can be factored by using the difference of squares. The next part, however, is unfactorable so it stays as is. </SPAN>\n" );
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