4 2 5*x + 3*x - 2
5*x^4 + 3*x^2 - 2
/ ____\ / ____\ | \/ 10 | | \/ 10 | |x + ------|*|x - ------|*(x + I)*(x - I) \ 5 / \ 5 /
(((x + sqrt(10)/5)*(x - sqrt(10)/5))*(x + i))*(x - i)
2 4 -2 + 3*x + 5*x
-2 + 3*x^2 + 5*x^4
-2.0 + 3.0*x^2 + 5.0*x^4
/ 2\ / 2\ \1 + x /*\-2 + 5*x /
(1 + x^2)*(-2 + 5*x^2)
2 / 2\ -2 + x *\3 + 5*x /
-2 + x^2*(3 + 5*x^2)