3 x + x + 2
x^3 + x + 2
3 2 + x + x
2 + x + x^3
/ ___\ / ___\ | 1 I*\/ 7 | | 1 I*\/ 7 | (x + 1)*|x + - - + -------|*|x + - - - -------| \ 2 2 / \ 2 2 /
((x + 1)*(x - 1/2 + i*sqrt(7)/2))*(x - 1/2 - i*sqrt(7)/2)
2.0 + x + x^3
/ 2\ 2 + x*\1 + x /
2 + x*(1 + x^2)
/ 2 \ (1 + x)*\2 + x - x/
(1 + x)*(2 + x^2 - x)