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