$\left(3a+8b^3\right)^2$

$\int\frac{y^2+2y+1}{\left(y^2-1\right)^2}dy$

$\lim_{x\to0}\left(\frac{1-\cos\left(x\right)}{x^2}\right)^x$

$\log\left(3x+2\right)-\log\left(x+5\right)=\log\left(x\right)$

$10\:g^2-20g^2+500g$

$\sec\left(x\right)-\sec\left(x\right)\cdot\tan\left(x\right)$

$\frac{d}{dx}x^{x-8}$