(-oo, -3/4) U (-5/7, 1) U (3, oo)
$$x\ in\ \left(-\infty, - \frac{3}{4}\right) \cup \left(- \frac{5}{7}, 1\right) \cup \left(3, \infty\right)$$
x in Union(Interval.open(-oo, -3/4), Interval.open(-5/7, 1), Interval.open(3, oo))
Or(And(-oo < x, x < -3/4), And(-5/7 < x, x < 1), And(3 < x, x < oo))
$$\left(-\infty < x \wedge x < - \frac{3}{4}\right) \vee \left(- \frac{5}{7} < x \wedge x < 1\right) \vee \left(3 < x \wedge x < \infty\right)$$
((-oo < x)∧(x < -3/4))∨((-5/7 < x)∧(x < 1))∨((3 < x)∧(x < oo))