Question

Factor completely.

-2k - k^3 - 3k^2

Answer 1

-k(k + 2)(k + 1)

Explanation:

-k is a common factor here. Factoring -k out, we get:

-k(2 + k^2 + 3k), or (after writing the quadratic in standard form)

-k(k^2 + 3k + 2) = -k(k + 2)(k + 1)