$x^2\cdot\frac{1}{x}=x^2\cdot\frac{6}{x^2}$

$\lim_{h\to0}\left(\frac{-\sqrt{x}+\sqrt{x+h}+h}{h}\right)$

$8f+2g$

$\int\frac{x^2}{\left(x+1\right)^2\left(x-1\right)}dx$

$\left(x^2+y\right)^2\left(x^2+y\right)^2\left(x^4+y^2\right)^2$

$\lim_{x\to0}\left(\frac{\ln\left(1-8x\right)}{-2x}\right)$

$\int\left(2x+1\right)e^{x^2+x+5}dx$