2 x - 2*x + 2
x^2 - 2*x + 2
(x + -1 + I)*(x + -1 - I)
(x - 1 + i)*(x - 1 - i)
2 2 + x - 2*x
2 + x^2 - 2*x
2.0 + x^2 - 2.0*x
2 + x*(-2 + x)