How do you simplify #(n+4)(n+5)(n+3)!#?

1 Answer
Steve M
Nov 15, 2016

# :. (n+4)(n+5)(n+3)! = (n+5)! #

Explanation:

# (n+4)(n+5)(n+3)! = (n+4)(n+5)(n+3)(n+2)(n+1)(n)(n-1)...1 #

# :. (n+4)(n+5)(n+3)! = (n+5)(n+4)(n+3)(n+2)(n+1)(n)(n-1)...1 #

# :. (n+4)(n+5)(n+3)! = (n+5)! #

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