$-8^2+3$

$\cos\left(x\right)\left(3\cos\left(x\right)-3\right)$

$\log_{10}\left(54\right)-\log_{10}\left(2\right)=2\log_{10}\left(x\right)-\log_{10}\left(\sqrt{x}\right)$

$25x^2y^2+10x^2y^33$

$s^2=\:n$

$\frac{dy}{dx}=\frac{2x+1}{3y+2}$

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