$y^2\cdot dx-x\cdot y\cdot dy=x^2\cdot y\cdot dy$

$\frac{8x^4y^{-4}z^{-3}}{2x^2y^{-3}z^4}$

$\frac{dy}{dx}\left(e^{2y}\sin\left(x\right)=\frac{ln\left(4x\right)}{y}\right)$

$\frac{d}{dx}2$

$\int\left(\sin\left(2x\right)\right)^7\left(\cos\left(2x\right)\right)^2dx$

$36x^6y^4z^2-64$

$\left(x+2\right)+\left(x+2\right)$