Roots of Quadratic Equations

Posted by Beetle B. on Wed 03 November 2021

Given \(x^{2}+bx+c=0\), let the roots be \(\alpha,\beta\). Then:

\begin{equation*} \alpha+\beta=-b \end{equation*}
\begin{equation*} \alpha\beta=c \end{equation*}

Why this is worth knowing is a mystery to me.