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# Exercise 22: Maths: Fractions and Symbols (Solution)

This is the solution to Exercise 22.
\documentclass[11pt]{scrartcl}

\begin{document}

$\sum_{i=0}^{2} a_i x^i = 0$
$x = \frac{-a_1 \pm \sqrt{a_1^2 - 4 a_2 a_0}}{2a_2}$