How do you simplify $n! (n^{2} + 3 n + 2)$ $n!(n^2+3n+2)$ ?

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Answer 1 · 2016-07-30T08:21:53

$n! (n^{2} + 3 n + 2) = (n + 2)!$ $n!(n^2+3n+2) = (n+2)!$

$n! (n^{2} + 3 n + 2) = n! (n + 1) (n + 2) = (n + 2)!$ $n!(n^2+3n+2) = n!(n+1)(n+2) = (n+2)!$

How do you simplify n!(n^2+3n+2)n!(n2+3n+2)n!(n^2+3n+2)?