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

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