$\frac{w^3+343}{w+7}$

$15m+5m$

$\lim_{x\to-2}\left(\frac{x^2-2}{8+x^3}\right)$

$\lim_{x\to0}\frac{\log_{10}\left(\frac{3}{2}x+1\right)}{5^x-1}$

$\left(0.5n^2m+11\right)\left(0.5n^2m-6\right)$

$\left(csc\left(x\right)\right)\left(csc\left(x\right)+cot\left(x\right)\right)$

$\int\frac{x}{\sqrt{-7x-x^2}}dx$