document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=128980>Question 128980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "I know how to do these I really just need to be refreshed the question I am having trouble with is .5n(n+1)to the second power </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94316 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=94316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .5N(N+1)^2<BR>\n" );
document.write( ".5N(N^2+2N+1)<BR>\n" );
document.write( ".5N^3+N^2+.5N </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );