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

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