$$ n^4+ (2n)^2+ 100n+500≈ n^4 $$
$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$
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<h2> A MathJax Equation<h2>
<p> $$ n^4+ (2n)^2+ 100n+500≈ n^4 $$</p>
<h2> Here is another </h2>
<p>$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$</p>
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