Test

$\xi_{\beta} ^{\alpha} = \int_0^{\infin} \left( \frac{\sin{x^2}}{\sqrt{a^3+b^{41}}} \right) dx$

<chem>{Na2CO3} + 2HCl -> CO2 ^ + 2NaCl + H2O</chem>

$x_{1,2}=\frac{-b\pm\sqrt{\color{Red}b^2-4ac}}{2a}$