$9x^8-30x^4+25$
$\int\frac{5x-8}{\left(x+4\right)\left(x-6\right)}dx$
$\left(-2\right)-\left(-25\right)$
$\frac{dy}{dx}=-xe^y$
$sin\left(cos^{-1}\left(\frac{2}{3}\right)+tan^{-1}\left(-\frac{3}{4}\right)\right)$
$\frac{2x^2+x-6}{x+2}$
$x^2-25x+77$
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