$\left(\sqrt{10}-3\right)\left(\sqrt{10}+3\right)$
$\left(\sin\left(x\right)-1\right)\left(\tan\left(x\right)+\sec\left(x\right)\right)=-\cos\left(x\right)$
$512b^{18}-1$
$\frac{d}{dx}\left(\frac{2x-3y}{z-2y}+xz^2\right)$
$\int_{lnx}^{e^x}\left(-16sint\right)dt$
$3x^{3\:}+9xy^2=5x^3$
$20 - 5 \cdot 4$
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