Question

tìm x biết :3x[x-1/6]-2x[x-1/3]=2/3

làm nhanh nha , mình cần gấp

Answer 1

`3xx(x-1/6)-2xx(x-1/3)=2/3`

`3x-1/2-2x+2/3=2/3`

`x=2/3-2/3+1/2`

`x=1/2`

Answer 2

`3x(x-1/6)-2x(x-1/3)=2/3`

`3x^2 - 1/2 x- 2x^2 + 2/3x = 2/3`

`x^2+1/6 x =2/3`

`x=(-1 \pm \sqrt97)/12`