$-375.71+530$
$4\tan^2x-3\sec^2x=0$
$\frac{4x^2-40x^2-5x+25}{x+3}$
$\int x\csc^2\left(-5x^2+6\right)dx$
$\frac{dy}{dx}\left(e^{2y}\cdot\cos\left(2x\right)\right)$
$\frac{3\:x^9}{x^2}$
$\left(\frac{1}{5}t^2-t^{-1}\right)^4$
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