_____________________ 3 / 3 2 \/ x - 3*x + 5*x + 5 > 1 + x
(5*x + x^3 - 3*x^2 + 5)^(1/3) > x + 1
And(-2/3 < x, x < 1)
(-2/3 < x)∧(x < 1)
(-2/3, 1)
x in Interval.open(-2/3, 1)