/ / _____ ____\ / _____ \ / ____ \\
| |\/ 138 \/ 34 | |-\/ 138 | | -\/ 34 ||
Or|And|------- <= x, x <= ------|, And|--------- <= x, x <= 0|, And|x <= --------, -oo < x||
\ \ 6 2 / \ 6 / \ 2 //
$$\left(\frac{\sqrt{138}}{6} \leq x \wedge x \leq \frac{\sqrt{34}}{2}\right) \vee \left(- \frac{\sqrt{138}}{6} \leq x \wedge x \leq 0\right) \vee \left(x \leq - \frac{\sqrt{34}}{2} \wedge -\infty < x\right)$$
((x <= 0)∧(-sqrt(138)/6 <= x))∨((-oo < x)∧(x <= -sqrt(34)/2))∨((sqrt(138)/6 <= x)∧(x <= sqrt(34)/2))
____ _____ _____ ____
-\/ 34 -\/ 138 \/ 138 \/ 34
(-oo, --------] U [---------, 0] U [-------, ------]
2 6 6 2
$$x\ in\ \left(-\infty, - \frac{\sqrt{34}}{2}\right] \cup \left[- \frac{\sqrt{138}}{6}, 0\right] \cup \left[\frac{\sqrt{138}}{6}, \frac{\sqrt{34}}{2}\right]$$
x in Union(Interval(-oo, -sqrt(34)/2), Interval(-sqrt(138)/6, 0), Interval(sqrt(138)/6, sqrt(34)/2))