2 3*x + 2*x - 5
3*x^2 + 2*x - 5
2 -5 + 2*x + 3*x
-5 + 2*x + 3*x^2
(x + 5/3)*(x - 1)
-5 + x*(2 + 3*x)
-5.0 + 2.0*x + 3.0*x^2
(-1 + x)*(5 + 3*x)