SAT Math Practice Question
Which of the following is equivalent to $2 x\left(x^{2}-3 x\right)$ ?
- A.$-4 x^{2}$
- B.$3 x^{3}-x^{2}$
- C.$2 x^{3}-3 x$
- D.$2 x^{3}-6 x^{2}$
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