$\left(4w^9\right)^4$

$-\left(-1\right)\left(-1\right)\left(-1\right)\left(-1\right)$

$u^2-4u+4$

$n+7.1=8.6$

$\lim_{x\to-2}\left(\frac{x+2}{\sqrt{x+11}-3}\right)$

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

$\int\left(7\left(\frac{cos\left(4ln\left(x\right)\right)}{x}\right)+4+58x^2\right)dx$