[ x^4 - x^3 + 2*x^2 + 4*x + 3, \ x^4 - x^3 + 5*x^2 - 4*x + 3, \ x^4 - 3*x^2 + 25, \ x^4 - x^3 - 24*x^2 - 22*x + 29 ]