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[latex]E=mc^2[/latex]
[latex]\int x^2dx[latex]
$$\int x^2dx$$
$\int x^2dx$
When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they are
$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
