2 2*x - 3*x - 2
2*x^2 - 3*x - 2
(x + 1/2)*(x - 2)
2 -2 - 3*x + 2*x
-2 - 3*x + 2*x^2
-2.0 + 2.0*x^2 - 3.0*x
-2 + x*(-3 + 2*x)
(1 + 2*x)*(-2 + x)