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