[ x^4 - x^3 - 7*x^2 - 10*x - 9, \ x^4 - x^3 + 14*x^2 + 34*x + 393, \ x^4 - x^3 + 8*x^2 + 45*x + 47, \ x^4 - 43*x^2 + 1089, \ x^4 - x^3 - 640*x^2 - 620*x + 86067 ]