Simplify (2z – 3)2.

(1 point)
Responses

4z2 – 9
4 z 2 – 9

4z2 – 9z
4 z 2 – 9 z

4z2 – 12z – 9
4 z 2 – 12 z – 9

4z2 – 12z + 9

The correct answer is 4z2 - 12z + 9.