document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=348705>Question 348705</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -x^2+2xy-y^2+16 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #249273 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=249273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  -x^2+2xy-y^2+16<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "= -(x^2-2xy+y^2)+16<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= -(x-y)^2 + 16<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= 16-(x-y)^2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= [4-(x-y)][4+(x-y)]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= (4-x+y)(4+x-y)<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );