document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=706720>Question 706720</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Give an expression for the nth term: 2, 6, 12, 20, 30, 42...is n^2+n but how did they get that answer?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #435373 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=435373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Give an expression for the nth term: 2, 6, 12, 20, 30, 42...is n^2+n but how did they get that answer? <BR>\n" );
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document.write( "Some people see patterns that other people do not.<BR>\n" );
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document.write( "2 = 1^2 + 1<BR>\n" );
document.write( "6 = 2^2 + 2<BR>\n" );
document.write( "12 = 3^2+ 3<BR>\n" );
document.write( "20 = 4^2+ 4<BR>\n" );
document.write( "etc<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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