Question

(2x-1)(3x + 2 )(3-x)
ai tính dùm e đc k ạ :0

 

Answer 1

2 nhân 1 hả e cái đầu á

Answer 2

`(2x-1)(3x+2)(3-x)`

`= 2x(3x+2)-1(3x+2)*(3-x)`

`= (6x^2+4x-3x-2)*(3-x)`

`= (6x^2+x-2)(3-x)`

`= 6x^2(3-x)+x(3-x)-2(3-x)`

`= 18x^2-6x^3+3x-x^2-6+2x`

`= -6x^3+17x^2+6x-6`

Answer 3

(2x - 1)(3x + 2)(3 - x)

= 6x² + 6x - 6x - 2 - 3x + x + 9x - 3x² + 6 - 2x

= 3x² + 5x + 4