/ / / 3 2 \ / 3 2 \ \ / / 3 2 \ \\
Or\And\x <= CRootOf\x - 3*x - 5*x + 1, 2/, CRootOf\x - 3*x - 5*x + 1, 1/ <= x/, And\CRootOf\x - 3*x - 5*x + 1, 0/ <= x, x < 0//
$$\left(x \leq \operatorname{CRootOf} {\left(x^{3} - 3 x^{2} - 5 x + 1, 2\right)} \wedge \operatorname{CRootOf} {\left(x^{3} - 3 x^{2} - 5 x + 1, 1\right)} \leq x\right) \vee \left(\operatorname{CRootOf} {\left(x^{3} - 3 x^{2} - 5 x + 1, 0\right)} \leq x \wedge x < 0\right)$$
((x < 0)∧(CRootOf(x^3 - 3*x^2 - 5*x + 1, 0) <= x))∨((x <= CRootOf(x^3 - 3*x^2 - 5*x + 1, 2))∧(CRootOf(x^3 - 3*x^2 - 5*x + 1, 1) <= x))
/ 3 2 \ / 3 2 \ / 3 2 \
[CRootOf\x - 3*x - 5*x + 1, 0/, 0) U [CRootOf\x - 3*x - 5*x + 1, 1/, CRootOf\x - 3*x - 5*x + 1, 2/]
$$x\ in\ \left[\operatorname{CRootOf} {\left(x^{3} - 3 x^{2} - 5 x + 1, 0\right)}, 0\right) \cup \left[\operatorname{CRootOf} {\left(x^{3} - 3 x^{2} - 5 x + 1, 1\right)}, \operatorname{CRootOf} {\left(x^{3} - 3 x^{2} - 5 x + 1, 2\right)}\right]$$
x in Union(Interval.Ropen(CRootOf(x^3 - 3*x^2 - 5*x + 1, 0), 0), Interval(CRootOf(x^3 - 3*x^2 - 5*x + 1, 1), CRootOf(x^3 - 3*x^2 - 5*x + 1, 2)))