For the function f(x) = 5(-2sin(3π((2(-1x) + 2)/(-2(-1x) - 3))) - 3)^2 - 4(-2sin(3π((2(-1x) + 2)/(-2(-1x) - 3))) - 3) + 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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