\copyrightJesse

\begin{frame}[fragile]{Display math}
    Alternative display math environments:
    \begingroup
    \renewcommand\tabularxcolumn[1]{m{#1}}
    \begin{tabularx}{\textwidth}{lp{0.3\textwidth}X}\hline
        Environment & Use & Example\\\hline
        \texttt{align} & Several aligned lines (use \&) & \parbox{0.4\textwidth}{\vspace{-\baselineskip}
        {\small\begin{align} f(x) &= x^2 + 2x + 1\\
            &= (x+1)^2.\end{align}}\vspace{-\baselineskip}}\vspace{-\baselineskip}\\
        \texttt{multline} & Single equation spread over several lines & ~\vspace{-\baselineskip}{\small\begin{multline}f(x) = x^2+2x+1\\=(x+1)^2.\end{multline}}\vspace{-\baselineskip}\\
        \texttt{equation} & Single centered equation & ~\vspace{-\baselineskip}{\small\begin{equation}f(x) = x^2+2x+1=(x+1)^2.\end{equation}}\vspace{-\baselineskip}\\
        \texttt{gather} & Several centered equations & ~\vspace{-\baselineskip}{\small\begin{gather} f(x) = x^2+2x+1\\=(x+1)^2.\end{gather}}\vspace{-\baselineskip}\\\hline
    \end{tabularx}
    \endgroup
\end{frame}