(x + 4)*(x + 5) > 0
Or(And(-oo < x, x < -5), And(-4 < x, x < oo))
((-oo < x)∧(x < -5))∨((-4 < x)∧(x < oo))
(-oo, -5) U (-4, oo)
x in Union(Interval.open(-oo, -5), Interval.open(-4, oo))