Question

〖6х〗^3- 〖18х〗^2+ 24х=0

Answer 1

6x^3 - 18x^2 + 24x =0  /: 6
x^3 - 3x^2 + 4x = 0 
x*(x^2 - 3x + 4) = 0
x^2 - 3x + 4 = 0 
D = 9 - 16 <0 

Ответ:
x = 0 

Answer 2

〖6х〗^3- 〖18х〗^2+ 24х - 72 =0