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

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