/ / / 3 2 \ \ / / 3 2 \ \\
Or\And\x <= CRootOf\x - 7*x - 3, 0/, 0 < x/, And\CRootOf\x + 11*x + 3, 0/ <= x, x < 0//
$$\left(x \leq \operatorname{CRootOf} {\left(x^{3} - 7 x^{2} - 3, 0\right)} \wedge 0 < x\right) \vee \left(\operatorname{CRootOf} {\left(x^{3} + 11 x^{2} + 3, 0\right)} \leq x \wedge x < 0\right)$$
((0 < x)∧(x <= CRootOf(x^3 - 7*x^2 - 3, 0)))∨((x < 0)∧(CRootOf(x^3 + 11*x^2 + 3, 0) <= x))
/ 3 2 \ / 3 2 \
[CRootOf\x + 11*x + 3, 0/, 0) U (0, CRootOf\x - 7*x - 3, 0/]
$$x\ in\ \left[\operatorname{CRootOf} {\left(x^{3} + 11 x^{2} + 3, 0\right)}, 0\right) \cup \left(0, \operatorname{CRootOf} {\left(x^{3} - 7 x^{2} - 3, 0\right)}\right]$$
x in Union(Interval.Lopen(0, CRootOf(x^3 - 7*x^2 - 3, 0)), Interval.Ropen(CRootOf(x^3 + 11*x^2 + 3, 0), 0))