Expand (2x–4)² and answer what is asked.

1. What is the last term?
a. 4x² b. -16 c. 16 d. –4x²

2. What is the middle term?
a. 8x b. -8x c. 16x d. -16x

3. What is the first term?
a. 4x² b. –4x² c. 2x² d. –2x²​