Reduction and factorization (n + 2 of X + N + 1 of 3x - n of 6x) △ N-1 of 3x

Reduction and factorization (n + 2 of X + N + 1 of 3x - n of 6x) △ N-1 of 3x

(n + 2 of X + N + 1 of 3x - n of 6x) △ N-1 of 3x
=x^n-1 (X^3 +3x^2-6x ) ÷3x^ n-1
=1/3x (x^2 +3x-6)
=1/3x (x^2 +3x-6)