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Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
Which of the following is the equivalent to ax^2-3a^2+2x-6?
A.a^2(x-3)-2(x+3)
B.a^2(x-3)+2(x+3)
C.(x+3)(a^2-2)
D.(x-3)(a^+2)
adj. 许多，多种多样的
n. 倍数，并联
