document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=631849>Question 631849</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 	Add:<BR>\n" );
document.write( "(4x^3-3x+9)+(-2x^2-4)+(8x+3x^3)\r<BR>\n" );
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document.write( "Subtract:<BR>\n" );
document.write( "(7x^2-3x+1)-(9x^2-7x-3)  \r<BR>\n" );
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document.write( "Thanks in advance I dont understand!\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397899 by </B><A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><B>Tatiana_Stebko(1539)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><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=Tatiana_Stebko><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=397899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284x%5E3-3x%2B9%29%2B%28-2x%5E2-4%29%2B%288x%2B3x%5E3%29=4x%5E3-3x%2B9-2x%5E2-4%2B8x%2B3x%5E3=%284x%5E3%2B3x%5E3%29-2x%5E2%2B%28-3x%2B8x%29%2B%289-4%29=7x%5E3-2x%5E2%2B5x%2B5 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%5E2-3x%2B1%29-%289x%5E2-7x-3%29++=7x%5E2-3x%2B1-9x%5E2%2B7x%2B3=%287x%5E2-9x%5E2%29%2B%28-3x%2B7x%29%2B%281%2B3%29=-2x%5E2%2B4x%2B4 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >   </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );