$\frac{d^3y}{dx^3}\left(e^{2x}+e^{3x}\right)$

$\frac{-60m^3n}{5m^5n^{-2}}$

$\log\left(x\right)+\log\left(x+9\right)=1$

$\frac{\cos\left(x\right)+\sin\left(x\right)\tan\left(x\right)}{1+\tan\left(x\right)^2}$

$\sqrt{\frac{1}{x}}-\frac{2}{2x}$

$f\left(x\right)=\left(x+4\right)^2$

$75+12+32\:18$