x*(x + 3) > 2*x
Or(And(-oo < x, x < -1), And(0 < x, x < oo))
((-oo < x)∧(x < -1))∨((0 < x)∧(x < oo))
(-oo, -1) U (0, oo)
x in Union(Interval.open(-oo, -1), Interval.open(0, oo))