Deriving the $Var(X) = E(X^2) - \mu^2$ from the moment around the mean formula. I want to be able to derive  $Var(X) = E(X^2) - \mu^2$  from the moment around the mean formula $Var(X) = E((X-\mu)^2)$. Is there a way to do this? 

Thanks in advance.
Please find the solution, let me know if you have questions.
Please find the solution, let me know if you have questions.