$-4w\:times\:-3w\:times-2$
$\lim_{h\to0}\left(\frac{x+h}{2}\right)$
$a^2b^2c^2-a^3b^2c^3-a^2b^3c$
$\frac{d}{dx}in\frac{x}{y}$
$\frac{dy}{dx}=\frac{yx-y+x-1}{x+2}$
$2\left(10+7x\right)+2\left(15+8x\right)$
$-1\cdot2x-1$
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