For this case we have the following polynomials:
16x ^ 2 - 16
-12x ^ 2 - 12x + 12
Adding we have:
(16x ^ 2 - 16) + (-12x ^ 2 - 12x + 12)
We group in similar terms:
x ^ 2 (16-12) + x (-12) + (-16 + 12)
Rewriting we have:
4x ^ 2 - 12x - 4
Answer:
4x ^ 2 - 12x - 4
option A
