TÍNHC) (2X – 1)(X + 3)(X + 3)A) (-2X).(3X2 – 2X + 4)D) (X +3)(X...

Bài 1. Tính

c) (2x – 1)(x + 3)(x + 3)

a) (-2x).(3x

2

– 2x + 4)

d) (x +3)(x

2

+ 3x – 5)

b) (x – 2)(x

2

+ 3x – 4)