$\ln\sec\left(u\right)+\tan\left(u\right)$
$4\text{left}\left(x+2\text{right}\right)-3\text{left}\left(x-5\text{right}\right)$
$\frac{36a^2}{42a^6}$
$w\:-\:5=1$
$\left(z-3g\right)^3$
$\frac{x^2-2x}{x^2-5x-6}\cdot\frac{x^2+4x+4}{x^2-2}$
$50d^2+220d+242$
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