$\left(t^4w+o^2\right)^2$

$\int\frac{lnu}{9u^3}du$

$\left(x+1.8\right)^3$

$\lim_{x\to16}\left(\frac{\frac{1}{\sqrt{x}}-\frac{1}{4}}{16-x}\right)$

$\int\frac{5x-4}{\left(x+4\right)\left(x-4\right)^2}dx$

$-2\cos\left(x\right)+2\sin\left(x\right)$

$\frac{\left(1+\frac{1}{x}\right)}{4}$