[ x^3 - x^2 - 2*x + 1, \ x^3 - x^2 + 6*x + 5, \ x^3 - x^2 + 12*x - 20, \ x^3 + 7*x - 14, \ x^3 - x^2 - 28*x - 46, \ x^3 - x^2 + 6*x + 22 ]