/ / / 3 2 \ \\
Or\And(x <= 3, 2 < x), And(-oo < x, x < -5), And\CRootOf\2*x + 20*x + 50*x - 3, 0/ <= x, x < 2//
$$\left(x \leq 3 \wedge 2 < x\right) \vee \left(-\infty < x \wedge x < -5\right) \vee \left(\operatorname{CRootOf} {\left(2 x^{3} + 20 x^{2} + 50 x - 3, 0\right)} \leq x \wedge x < 2\right)$$
((x <= 3)∧(2 < x))∨((-oo < x)∧(x < -5))∨((x < 2)∧(CRootOf(2*x^3 + 20*x^2 + 50*x - 3, 0) <= x))
/ 3 2 \
(-oo, -5) U [CRootOf\2*x + 20*x + 50*x - 3, 0/, 2) U (2, 3]
$$x\ in\ \left(-\infty, -5\right) \cup \left[\operatorname{CRootOf} {\left(2 x^{3} + 20 x^{2} + 50 x - 3, 0\right)}, 2\right) \cup \left(2, 3\right]$$
x in Union(Interval.open(-oo, -5), Interval.Lopen(2, 3), Interval.Ropen(CRootOf(2*x^3 + 20*x^2 + 50*x - 3, 0), 2))