[ x^4 - x^3 - 7*x^2 + 11*x + 3, \ x^4 + 71*x^2 + 36, \ x^4 - x^3 - 93*x^2 - 26*x + 3332, \ x^4 - 2*x^3 - 206*x^2 + 207*x - 306 ]