x^5 - x^4 - 6*x^3 + x^2 + 18*x - 4
x^5 - 2*x^4 + 7*x^3 - 4*x^2 + 11*x + 6
x^5 - x^4 - 40*x^3 - 93*x^2 - 21*x + 17