document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=362636>Question 362636</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having diffuculty solving this problem.<BR>\n" );
document.write( "Add; (9x^2-xy+y^2)+(-x^2-9xy+8y^2)<BR>\n" );
document.write( "DO I add across or??? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #258482 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=258482\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (9x^2-xy+y^2)<BR>\n" );
document.write( "+(-x^2-9xy+8y^2) add.<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "8x^2-10xy+9y^2 ans. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );