x^4 - x^3 - 7*x^2 + 11*x + 3 x^4 - x^3 + 2*x^2 + 8*x - 7 x^4 - x^3 - 7*x^2 - 107*x + 357 x^4 + 65*x^2 + 9 x^4 - x^3 - 7*x^2 - 520*x + 2304 x^4 - 2*x^3 - 28*x^2 + 29*x - 837