$5x^2-70x+254$
$\left(3+cosx\right)\left(3-cosx\right)$
$6a^2bc\:;\:a=-3\:;\:b=2\:;\:c=-1$
$\int10\cos\sqrt{x}dx$
$\frac{d}{dx}\left(x\ln\left(y\right)+5y=2x^3\right)$
$\frac{dy}{dx}=3x^{-2}e^{-y}$
$x^2+5x+3=1$
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