What is the difference of the polynomials?
(4x - x3 + 3) - (2x2 – 3x3 + 1)
-3x3 + 3x2 + 4x + 2
2x3 - 2x2 + 4x + 4
- 4x3 + 2x2 + 4x + 2
2x3 - 2x2 + 4x + 2