[ x^4 - x^3 - 16*x^2 + 14*x + 55, \ x^4 - x^3 - 17*x^2 + 26*x + 120, \ x^4 + 93*x^2 + 529, \ x^4 - x^3 - 17*x^2 - 113*x + 815, \ x^4 - 2*x^3 - 68*x^2 + 69*x - 443, \ x^4 - x^3 + 400*x^2 + 2250*x - 26707 ]