A) 9X 2 – 6X + 4 B) 3X 2 – 6X + 2 C) 9X 2 + 6X + 4 D) (3X + 2) 2

câu 7. - KIEM TRA DAI SO 8
Toán KIEM TRA DAI SO 8

Câu 7. (27x 3 + 8) : (3x + 2) bằng:

A) 9x 2 – 6x + 4 B) 3x 2 – 6x + 2 C) 9x 2 + 6x + 4 D) (3x + 2) 2