For the function f(x) = 1((-2(1|x + 1| - 1))/(3(1|x + 1| - 1) - 2))^2 - 2((-2(1|x + 1| - 1))/(3(1|x + 1| - 1) - 2)) - 5, 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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