$\lim_{x\to1}\left(\frac{\ln\left(x\right)-x+1}{\left(x^3-3\right)\left(x+2\right)}\right)$

$\int_0^3\left(\frac{5}{\sqrt{9-x^2}}\right)dx$

$\frac{dy}{dx}+\left(x^2+1\right)y=e^{\left(-\frac{x^3}{3}\right)}$

$\frac{x^3-15x^2+24x-3}{x-13}$

$w^2+20w+12$

$\left(\frac{1}{3}m-n\right)^3$

$\sqrt[2]{4}+2\sqrt{4}^2$