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

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