4 3 2 x - x + 2*x + x + 3
x^4 - x^3 + 2*x^2 + x + 3
4 3 2 3 + x + x - x + 2*x
3 + x + x^4 - x^3 + 2*x^2
/ ___\ / ___\ | 1 I*\/ 3 | | 1 I*\/ 3 | / ___\ / ___\ |x + - + -------|*|x + - - -------|*\x + -1 + I*\/ 2 /*\x + -1 - I*\/ 2 / \ 2 2 / \ 2 2 /
(((x + 1/2 + i*sqrt(3)/2)*(x + 1/2 - i*sqrt(3)/2))*(x - 1 + i*sqrt(2)))*(x - 1 - i*sqrt(2))
3.0 + x + x^4 - x^3 + 2.0*x^2
/ 2\ / 2 \ \1 + x + x /*\3 + x - 2*x/
(1 + x + x^2)*(3 + x^2 - 2*x)
3 + x*(1 + x*(2 + x*(-1 + x)))