____ ____
1 \/ 65 1 \/ 65
[- - ------, 0] U [- + ------, oo)
8 8 8 8
$$x\ in\ \left[\frac{1}{8} - \frac{\sqrt{65}}{8}, 0\right] \cup \left[\frac{1}{8} + \frac{\sqrt{65}}{8}, \infty\right)$$
x in Union(Interval(1/8 - sqrt(65)/8, 0), Interval(1/8 + sqrt(65)/8, oo))
/ / ____ \ / ____ \\
| | 1 \/ 65 | |1 \/ 65 ||
Or|And|x <= 0, - - ------ <= x|, And|- + ------ <= x, x < oo||
\ \ 8 8 / \8 8 //
$$\left(x \leq 0 \wedge \frac{1}{8} - \frac{\sqrt{65}}{8} \leq x\right) \vee \left(\frac{1}{8} + \frac{\sqrt{65}}{8} \leq x \wedge x < \infty\right)$$
((x <= 0)∧(1/8 - sqrt(65)/8 <= x))∨((x < oo)∧(1/8 + sqrt(65)/8 <= x))