document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=11540>Question 11540</A>: <I><SPAN STYLE=\"word-break: break-all;\"> student aged 15 taking mocks having extreme difficulty grasping factorisation. can anyone please explain in language i can understand. thanking you in advance as any help is greatly needed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #5981 by </B><A HREF=/tutors/aboutme.mpl?userid=elima><B>elima(1433)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=elima><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=5981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Take any whole number; we'll call it n. Multiply all of the counting numbers from 1 through n. The product is called n factorial.\r<BR>\n" );
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document.write( "ex.\r<BR>\n" );
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document.write( "Find the number of ways you can arrange 5 people in a line. To find the number of possible arrangements for a number of items, you find the factorial of the number of items.\r<BR>\n" );
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document.write( "5!= 5 x 4 x 3 x 2 x 1 =120\r<BR>\n" );
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document.write( "So, 5 people can be arranged in 120 different lines. </SPAN>\n" );
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