$\frac{dy}{dx}=x\left(x-1\right)$

$\lim_{x\to-1}\left(\frac{\ln\left(2+x\right)}{x+1}\right)$

$-3\left(2n\:+\:8\right)$

$f\left(x\right)\:=\:\:2x\left(x\:+\:1\right)\left(x\:-\:4\right)^2\left(\:2x\:-\:3\right)$

$\frac{dy}{dx}=\frac{1}{\left(y-x\right)}$

$\log\left(x+9\right)=\log\left(4x\right)$

$8x^{3-64}$