Find the derivative by using the quotient rule. B f (x) = x²
A. f'(x) = 12x + 3 / (2²-3)².
B. f'(x) = -2x² + 14x / (2-3)² .
C. f'(x)= -x² + 12x-3 / (2²- 3)²
D. f'(x) = 3z² 1223 / (2² - 3)²
E. f'(x) = -x² + 12x-3 / 2²-3