2 x - 3*x - 2
x^2 - 3*x - 2
/ ____\ / ____\ | 3 \/ 17 | | 3 \/ 17 | |x + - - + ------|*|x + - - - ------| \ 2 2 / \ 2 2 /
(x - 3/2 + sqrt(17)/2)*(x - 3/2 - sqrt(17)/2)
2 -2 + x - 3*x
-2 + x^2 - 3*x
-2.0 + x^2 - 3.0*x
-2 + x*(-3 + x)