For the function f(x) = 3((2(-1(2|x + 3| - 3) + 3) - 1)/(-2(-1(2|x + 3| - 3) + 3) - 3))^2 + 1((2(-1(2|x + 3| - 3) + 3) - 1)/(-2(-1(2|x + 3| - 3) + 3) - 3)) - 1, find the number of maximal connected intervals in [-10, 10] where f'(x) < 0.

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