Question 4
Find the positive solution to $$
\begin{aligned}&\frac1{x^2-10x-29}\\&\quad+\frac1{x^2-10x-45}\\&\quad-\frac2{x^2-10x-69}=0.\end{aligned}
$$
\begin{aligned}&\frac1{x^2-10x-29}\\&\quad+\frac1{x^2-10x-45}\\&\quad-\frac2{x^2-10x-69}=0.\end{aligned}
$$