Question 32876
7n^5 + 7n^4 - 3n^2 - 6n - 3
7n^4(n+1)- 3(n^2+2n+1)
7n^4(n+1)- 3(n^2+n+n+1)
7n^4(n+1)- 3(n(n+1)+ (n+1))
7n^4(n+1)- 3(n+1)(n+1)
(n+1)(7n^4 - 3(n+1))