document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=882037>Question 882037</A>: <I><SPAN STYLE=\"word-break: break-all;\"> add<BR>\n" );
document.write( "(4+6x+9x^2+7x^3)+(7-6x+9x^2-7x^3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #532667 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=532667\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (4 + 6x + 9x² + 7x³) + (7 - 6x + 9x² - 7x³)<BR>\n" );
document.write( "= 4 + 6x + 9x² + 7x³ + 7 - 6x + 9x² - 7x³   {removed parentheses}<BR>\n" );
document.write( "= 18x² + 11 {combined like terms}<BR>\n" );
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