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

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