$\left(\frac{1}{8}x-6y\right)^2$

$\int\left(x^2+2x+3\right)\cdot\left(2x+2\right)dx$

$\sqrt{3by^2}$

$\cos\left(60\right)+\sin\left(60\right)=\tan\left(60\right)$

$\frac{dy}{dx}\left(-2y+a\right)$

$g\left(x\right)=\left(x^2+1\right)^3\left(x-1\right)^7x^3$

$\int\frac{\sqrt{x}}{x-81}dx$