ACT Math Practice Question
Whenever $\frac{-3x^3 + 12x}{x^3 - x^2 - 6x}$ is defined, it is equivalent to:
- A.-2
- B.$\frac{1}{x + 3}$
- C.$\frac{6 - 3x}{x + 3}$
- D.$\frac{6 - 3x}{x - 3}$
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