/ 4 3 2 \ 2 / 3 2 \ / / 2 \ \ \2*x - 3*x + x + 4/*x + \2*x + x + x - 1/*\2 - x - \x - 3*x + 3/*(x + 1)/
(2*x^4 - 3*x^3 + x^2 + 4)*x^2 + (2*x^3 + x^2 + x - 1*1)*(2 - x - (x^2 - 3*x + 3)*(x + 1))
x^2*(4.0 + x^2 + 2.0*x^4 - 3.0*x^3) + (2.0 - x - (1.0 + x)*(3.0 + x^2 - 3.0*x))*(-1.0 + x + x^2 + 2.0*x^3)
x^2*(4.0 + x^2 + 2.0*x^4 - 3.0*x^3) + (2.0 - x - (1.0 + x)*(3.0 + x^2 - 3.0*x))*(-1.0 + x + x^2 + 2.0*x^3)