document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1139281>Question 1139281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is n in the equation?\r<BR>\n" );
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document.write( "n!/84 = (n-2)!/[(n-2)-(n-4)]\r<BR>\n" );
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document.write( "do I cancel n-2 and n-4 on the right side? </SPAN>\n" );
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document.write( "You can't cancel the (n-2) and (n-4) in the denominator on the right; they are not factors.<br><BR>\n" );
document.write( "The denominator on the right is simply (n-2)-(n-4) = 2.<br><BR>\n" );
document.write( "Then write the n! on the left as n(n-1)(n-2)!; do some canceling of common factors; cross-multiply; and solve. </SPAN>\n" );
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