$\left(e^2y-y\right)cosx\:\frac{dy}{dx}=e^y\:sin2x$

$\frac{dy}{dx}=\frac{ye^{2+x^3}\left(x^2\right)}{lny}$

$\frac{dy}{dx}\left(3x-1\right)^2\left(5x+4\right)^6\left(6-4x\right)^5$

$\int\frac{2x}{\left(x^2-5x-36\right)}dx$

$x^8y-16x^2y^7$

$5\left(2-3\right)+7\left(-1-5\right)$

$\left(3xy^3\right)\left(-2xy^2\right)$