2 2*x - 2*x - 5
2*x^2 - 2*x - 5
2 -5 - 2*x + 2*x
-5 - 2*x + 2*x^2
/ ____\ / ____\ | 1 \/ 11 | | 1 \/ 11 | |x + - - + ------|*|x + - - - ------| \ 2 2 / \ 2 2 /
(x - 1/2 + sqrt(11)/2)*(x - 1/2 - sqrt(11)/2)
-5.0 + 2.0*x^2 - 2.0*x
-5 + 2*x*(-1 + x)