$\frac{2}{x+1}=4-\frac{6}{x-1}$
$\frac{dy}{dx}=\frac{2x+3}{3y^2}$
$\int\:\:e^{5x}\left(1-e^{\:5x}\right)^7dx$
$+18+27-92-49-62-31$
$3x\:+\:2y\:+\:4\:+\:9y$
$\left(2a^2+1\right).\left(2a^2-1\right)$
$\left(5x\right)\left(3x^2y^2z^2\right)$
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