$-4y^2x-2yx^4-12yx$
$\left(2m^2+7\right)\left(3m^2-11\right)$
$x\left(\tan\left(47\right)-\tan\left(17\right)\right)=389\:\tan\left(17\right)$
$13x+3y+2x+5y$
$\arcsin\left(3x-4x^3\right)$
$\arctan\left(2\left(\frac{-\sqrt{5}+3}{2}\right)-5\right)$
$\int\frac{7}{x^2\sqrt{49-x^2}}dx$
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