$\frac{d}{dx}5x^8lnx$

$-2-4:2+5$

$\left(203-\left[-55\right]\right)-\left(-82+\left[-104\right]\right)-\left[-248+\left[-56\right]\right]$

$\int\frac{8}{\left(x-2\right)\left(x+6\right)}dx$

$-\:3x\:+\:4y\:+\:2x\:-\:3y\:$

$\left(2xy+4x^2e^{-x^2}\right)dx+dy=0$

$3x^2\left(x-1\right)^2+x^3\cdot2\left(x-1\right)$