document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198658>Question 198658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> factorise: <BR>\n" );
document.write( "1) 5m2-45n2<BR>\n" );
document.write( "2)10m2n2-7mn-12<BR>\n" );
document.write( "3) 9a2-(3a-2b)2<BR>\n" );
document.write( "4)12x2+35xy+18y2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149173 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=149173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) 5m^2-45n^2<BR>\n" );
document.write( "Factor out 5<BR>\n" );
document.write( "5(m^2 - 9n^2)<BR>\n" );
document.write( "Factor difference of squares<BR>\n" );
document.write( "5(m - 3n)(m + 3n)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "2)10m^2n^2 - 7mn - 12<BR>\n" );
document.write( "mn(10mn - 7) - 12<BR>\n" );
document.write( ":<BR>\n" );
document.write( "3) 9a^2-(3a-2b)^2<BR>\n" );
document.write( "9a^2 - (9a^2 - 12ab + 4b^2);square 3a-2b<BR>\n" );
document.write( "9a^2 - 9a^2 + 12ab - 4b^2;removing brackets changes the signs<BR>\n" );
document.write( "12ab - 4b^2<BR>\n" );
document.write( "4b(3a- b)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "4)12x^2 + 35xy + 18y^2<BR>\n" );
document.write( "This can be factored<BR>\n" );
document.write( "(4x + 9y)(3x + 2y) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );