On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = 4(3cos(1π(-1((-2x - 1)/(-3x + 1)) + 5) + 2) - 2)^2 + 4(3cos(1π(-1((-2x - 1)/(-3x + 1)) + 5) + 2) - 2) negative?

Present the answer in LaTex format: \boxed{Your answer}
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