Final answer:
Paige and Brooke left Dance Moms due to their mother's falling out with Abby Lee Miller and their desire to focus on education and other opportunities.
Step-by-step explanation:
Paige and Brooke left Dance Moms for multiple reasons. One of the primary reasons was that their mother had a falling out with Abby Lee Miller, the dance coach. There were disputes and conflicts between their mother and Abby, which ultimately led to their departure from the show. Additionally, Paige and Brooke wanted to focus more on their education and pursue other opportunities outside of Dance Moms.