Question

Simplify z^k(z^2 + z^m – 1).

A. z^k + 2 + z^mk – z^k

B. z^2k + z^mk – z^k

C. 2z^k + 2 + 2^zm + k – z^k

D. z^k + 2 + z^m + k – z^k

Answer 1

Is D the correct answer?

Answer 2

Ye D. z^k + 2 + z^m + k – z^k is the correct ans

Answer 3

Thanks!!! :)

Answer 4

i believe its B