To solve the ordinary differential equation (ODE) (1-x^2)y'' - 2xy' + 42y = 0, it is identified as a form of Legendre's differential equation. The solutions to this equation are the Legendre polynomials, which can provide a framework for solving the problem. The discussion emphasizes starting with the known solutions to guide the approach. The user expresses gratitude and plans to attempt the problem, indicating a willingness to seek further assistance if needed. Understanding Legendre polynomials is crucial for solving this type of ODE effectively.