f(x) = x2 + 2x-5
g(x) = -3x2 - 4x + 1
What is f(x) - g(x)?
Answer choices: A. 2x² – 2x - 4
B. -2x² + 6x-6
c. 4x²
- 2x - 4
D. 4x²+6x-6