Question

Big numbers scare me......

Answer 1

-x^2-2x+16

the answer is B.

Answer 2

Your answer would be B. -x² - 2x + 16

If we look at the terms separately, you can add them separately, so:
4x² + -5x² = -x²
0 + -2x = -2x
9 + 7 = 16

I hope this helps!