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