Question

Factor z 3 - 2z 2 + 9z - 18.

(z2 + 9)(z - 2)

(z2 + 2)(z - 9)

(z2 - 9)(z - 2)

Answer 1

(z2 + 9)(z - 2) hope its right :)

Answer 2

It would be the first answer. :)