2 2*x - 3*x - 1
2*x^2 - 3*x - 1
/ ____\ / ____\ | 3 \/ 17 | | 3 \/ 17 | |x + - - + ------|*|x + - - - ------| \ 4 4 / \ 4 4 /
(x - 3/4 + sqrt(17)/4)*(x - 3/4 - sqrt(17)/4)
2 -1 - 3*x + 2*x
-1 - 3*x + 2*x^2
-1 + x*(-3 + 2*x)
-1.0 + 2.0*x^2 - 3.0*x