A) (4X – 8)(6 + 5X) = 0B) 12X – 8 + 4X(3X – 2) = 0C) (X – 3)2 – 4X2 = 0

Câu 3 (1,5 điểm): Tìm x biết:

a) (4x – 8)(6 + 5x) = 0

b) 12x – 8 + 4x(3x – 2) = 0

c) (x – 3)

2

– 4x

2

= 0