[ x^3 - x^2 - 6*x + 7, \ x^3 + 7*x - 3, \ x^3 - x^2 - 18*x + 52, \ x^3 + 17*x - 17, \ x^3 - 95*x - 190, \ x^3 - x^2 - 215*x + 1280 ]