$\frac{1}{2}\left(6w+3\right)$

$\left(\frac{3}{5}m^8n+1\right)\left(\frac{3}{5}m^8n+1\right)$

$7,\:\frac{0}{8}\:-2,\:\frac{0}{8}$

$-2m^2-4m^3+6m^4-3-\left(4m^2+2m^3+3m^4\right)$

$-14-\left[-18+36-\left(-8+4\right)-6\right]$

$\frac{1}{\left(1+8x\right)^2}$

$\frac{dy}{dx}=4y+1$