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![\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}](https://latex.codecogs.com/svg.latex?\&space;x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}) 



```math
a^2+b^2=c^2
```


This sentence uses `$` delimiters to show math inline: $\sqrt{3x-1}+(1+x)^2$


$x_{1,2} = \frac{-b \pm \sqrt{b^2-4ac}}{2b}                    (1)$