每日一题

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)

答案和解析

答案：D

解析：

Choice D is correct.