Is this the correct formula for population variance?

$$\begin{equation}

\sigma^2 = \frac{(\sum(x - \bar{x}))^2}{n}.

\label{eq:popvariance}

\end{equation}$$

$$\begin{equation}

\sigma^2 = \frac{(\sum(x - \bar{x}))^2}{n}.

\label{eq:popvariance}

\end{equation}$$