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