$2x+14=10x+6$
$\lim_{x\to0}\left(\frac{3x^3}{2x^2-4+\:4\:\cos\left(x\right)}\right)$
$x^2-6x-60$
$5x^3-2x^2+10x-4$
$\left(\sqrt[2]{3}\right)_-\left(\sqrt[2]{2}\right)^2$
$\tan^2x+\sin^2x+\cos^2x=\sec2x$
$6e^x+e^{2x}$
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