$\cot^2x+\cot x-2=0$
$\frac{-12p^9+p^7-15p^3}{-8p^2}$
$440\left(2x-4\right)e^{x^2-4x+8}$
$-90+612+153$
$\sqrt{2y^2}$
$\left(1-8xy\right)\left(8xy-1\right)$
$\int\frac{x+2}{2x^2}dx$
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