document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1013725>Question 1013725</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help solving this please. Thanks.\r<BR>\n" );
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document.write( "Find (f-g) and (f+g)(3) for f(x)=2x^2+x+5 and g(x)=-4-4x+x^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #630019 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=630019\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (f-g)(x)=2x^2+x+5-x^2+4x+4 (change signs because subtracting)<BR>\n" );
document.write( "=x^2+5x+9<BR>\n" );
document.write( "if one wants (3) substituted for x, it is 9+15+9=33.<BR>\n" );
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document.write( "(f+g)(x)=3x^2-3x+1<BR>\n" );
document.write( "and when x=3, 27-9+1=19. </SPAN>\n" );
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