/ / / 9 6 \ \\
Or\And(0 < x, x < oo), And\x < 0, CRootOf\x + 27*x - x + 1, 0/ < x//
$$\left(0 < x \wedge x < \infty\right) \vee \left(x < 0 \wedge \operatorname{CRootOf} {\left(x^{9} + 27 x^{6} - x + 1, 0\right)} < x\right)$$
((0 < x)∧(x < oo))∨((x < 0)∧(CRootOf(x^9 + 27*x^6 - x + 1, 0) < x))
/ 9 6 \
(CRootOf\x + 27*x - x + 1, 0/, 0) U (0, oo)
$$x\ in\ \left(\operatorname{CRootOf} {\left(x^{9} + 27 x^{6} - x + 1, 0\right)}, 0\right) \cup \left(0, \infty\right)$$
x in Union(Interval.open(0, oo), Interval.open(CRootOf(x^9 + 27*x^6 - x + 1, 0), 0))