Input: 3 4 2 5
Polynomial: 3x^3 + 4x^2 + 2x + 5
Input: 4 -1 0
Polynomial: 4x^2 - x
Input: -1 1 -1
Polynomial: -x^2 + x - 1
Input: -4 -2 3 -5
Polynomial: -4x^3 - 2x^2 + 3x - 5
Input: -8
Polynomial: -8
Input: 0
Polynomial: 0
Input: 0 -3 0
Polynomial: -3x