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

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