document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=74485>Question 74485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> will some one explain this step by step for me please?\r<BR>\n" );
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document.write( "(m^2-5mn+3n^2)(m^2+4mn-2n^2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #53487 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=53487\">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=%28m%5E2+-+5mn+%2B+3n%5E2%29%28m%5E2+%2B+4mn+-+2n%5E2%29 ALIGN=MIDDLE  ALT=\"%28m%5E2+-+5mn+%2B+3n%5E2%29%28m%5E2+%2B+4mn+-+2n%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is in the form (a - b + c)(d + e - f) which<BR>\n" );
document.write( "equals ad + ae - af - bd - be + bf + cd + ce - cf<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5E4+%2B+4m%5E3n+-+2m%5E2n%5E2+-+5m%5E3n+-+20m%5E2n%5E2+%2B+10mn%5E3+%2B+3m%5E2n%5E2+%2B+12mn%5E3+-+6n%5E4 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "combine terms<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5E4+-+m%5E3n+-+19m%5E2n%5E2+%2B+22mn%5E3+-+6n%5E4 ALIGN=MIDDLE  ALT=\"m%5E4+-+m%5E3n+-+19m%5E2n%5E2+%2B+22mn%5E3+-+6n%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" > answer   </SPAN>\n" );
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