For the function f(x) = 2(-1(-1|((2x + 2)/(-1x + 2)) + 3|)^2 - 1(-1|((2x + 2)/(-1x + 2)) + 3|) + 4) + 3, 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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