Question

tim x:

15x²-12x=0

Answer 1

15x² - 12x = 0

=> x.(15x - 12) = 0

=> x = 0 hoặc 15x - 12 = 0

=> x = 0 hoặc 15x = 12

=> x = 0 hoặc x = 4/5

Vậy...

Answer 2

Cam on Minh Hien!!!

Answer 3

T a có: 15.x.x-12x=0

suy ra x.(15-12-1)=0

suy ra x. 2=0

suy ra x=0:2

suy ra x=0

Vậy x=0