x^4 + 19*x^2 - 207*x + 648 x^4 + 63*x^2 + 400 x^4 - x^3 + 39*x^2 + 457*x + 2128 x^4 - x^3 - 106*x^2 - 243*x - 176 x^4 - 2*x^3 + 53*x^2 - 52*x - 8800