[ x^4 - x^3 - 51*x^2 + 214*x - 236, \ x^4 - 35*x^2 + 2601, \ x^4 - x^3 + 44*x^2 + 235*x + 288, \ x^4 - x^3 + 2278*x^2 - 13760*x + 176768 ]