document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=371648>Question 371648</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor completely: x^2 - 2x + y^2 + 2y - 2xy - 15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #264711 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=264711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 - 2x + y^2 + 2y - 2xy - 15<BR>\n" );
document.write( "...<BR>\n" );
document.write( "re=write the expression <BR>\n" );
document.write( "x^2-2xy+y^2-2x+2y-15<BR>\n" );
document.write( "(x-y)^2-2(x-y)-15<BR>\n" );
document.write( "substitue x-y =a<BR>\n" );
document.write( "a^2-2a-15<BR>\n" );
document.write( "a^2-5a+3a-15<BR>\n" );
document.write( "a(a-5)+3(a-5)<BR>\n" );
document.write( "(a-5)(a+3)<BR>\n" );
document.write( "resubstitute the value of a<BR>\n" );
document.write( "(x-y-5)(x-y+3)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );