Question

Упростите выражение:
(n-1)(n^2+n-2)

Answer 1

=n^3 + n^2 -2n - n^2 - n +2 =n^3 -3n +2

Answer 2

(n-1)(n^2+n-2)=n^3+n^2-2n-n^2-n+2=n^3-3n+2.