$2n^3+3n^2+n-546$
$\int\:\frac{x-\frac{1}{e^x}}{\frac{e^x}{e^x+1}}dx$
$2log\sqrt{x}$
$4x\left(3x^2-7\right)$
$-1847-759+\left(-2685\right)-\left(-3629\right)$
$\left(8-5x\right)\left(8-2y\right)$
$x^2+10x=36$
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