document.write( "Question 606393: nP6=6(nP4)\r
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document.write( "so far I have: n!/(n-6)!=6[n!/(n-4)!] \n" );
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Algebra.Com's Answer #382044 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! dividing by n! and multiplying by (n-4)! ___ (n-4)! / (n-6)! = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(n-4)(n-5) = 6 ___ n^2 - 9n + 14 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "factoring ___ (n-7)(n-2) = 0 \n" ); document.write( " |