$\int\frac{3x+7}{\left(x+2\right)^2}dx$
$\frac{1}{2}\cdot7\left(6\right)$
$\frac{x}{4\:}-6=-5$
$\frac{dy}{dx}=\left(4x-9\right)^2$
$0,195+89,1$
$\frac{1}{20}\left(6x^{5}y^{3}-73x^{7}y^{2}z\right)$
$\frac{x^4-4x^3+2x-7}{x-2}$
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