6 4 2*x 2 10*x + ---- - 3*x + 5 3
10*x^4 + 2*x^6/3 - 3*x^2 + 5
5 3 -6*x + 4*x + 40*x
/ 4 2\ 2*\-3 + 10*x + 60*x /
/ 2\ 80*x*\3 + x /