document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157324>Question 157324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the sports league of n team s in which each team plays every other team twice, the total number of N of games to be played is given by N=n^2-n. How many teams are in a softball league if the number of games played is 42? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115985 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=115985\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 42=n^2-n<BR>\n" );
document.write( "n^2-n-42=0<BR>\n" );
document.write( "(n-7)(n+6)=0<BR>\n" );
document.write( "n-7=0<BR>\n" );
document.write( "n=7 number of games  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );