document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166170>Question 166170</A>: <I><SPAN STYLE=\"word-break: break-all;\"> simplify and combine (-7x^2+3xy-5y^2)-(-2x^2-xy+y^2)+(-x^2-7y^2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #123401 by </B><A HREF=/tutors/aboutme.mpl?userid=partygirl1122><B>partygirl1122(6)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=partygirl1122><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=123401\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "-21xy^4+2xy </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );