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

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