$2x^2-32x+20=0$
$\frac{dy}{dx}\:=\:y\:+\:x\left(y+1\right)^2+1$
$2x^3y^3\cdot x^2$
$\left(7c-2d\right)^3$
$\frac{d}{dx}\left(\sqrt{\cos\left(2t\right)}\right)$
$-78.5-39.5$
$z^2\:-\:4\:z\:+\:5\:=\:0$
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