[ x^4 - x^3 - 3*x^2 - x + 7, \ x^4 - x^3 - 7*x^2 - 8*x + 64, \ x^4 + 9*x^2 - 3, \ x^4 - x^3 + 12*x^2 + 29*x + 4, \ x^4 - x^3 + 12*x^2 - 2*x + 35 ]