First do the disttibutive between -3x(x-1)
= -3x^2 +3x
Then stay:
x - ( -3x(x-1)-x)/x = 2
x - ( -3x^2+3x-x)/x = 2
Now we sum 3x-x = 2x
X - ( -3x^2 +2x)/x = 2
x +(3x^2 - 2x)/x = 2
x+3x -2 = 2 <=>
4x -2 = 2 <=>
4x = 4 <=>
x = 1 <=>
Answer = {x e R / x = 1}
