2 x - 7 + 10
x^2 - 1*7 + 10
/ ___\ / ___\ 1*\x + I*\/ 3 /*\x - I*\/ 3 /
(1*(x + i*sqrt(3)))*(x - i*sqrt(3))
2 3 + x
3 + x^2
3.0 + x^2