$2x^3+6x-2$
$\sec^2\left(a\right)\left(\csc^2\left(a\right)-1\right)$
$\left(\frac{500}{\pi}\right)^{43}$
$9v+18$
$( x + 3 ) ( x + 10 )$
$\int\frac{x^3}{\sqrt{x^2-36}}dx$
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