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

$\frac{dy}{dx}=\sqrt[3]{3x-y}-1$

$\left(-2a^2b+3ab\right)\cdot\left(-4ab-5a^2b\right)$

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

$\int_1^3e^{\frac{-x}{2}}dx$

$2x^2+5x<x^2+2$

$\frac{\left(x-4\right)^3-8}{x-6}$