On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = (1(-1|(-1(-4x^2 - 5x + 2) - 4) - 2| + 3) + 2)/(-3(-1|(-1(-4x^2 - 5x + 2) - 4) - 2| + 3) + 2) positive?

Present the answer in LaTex format: \boxed{Your answer}
user