$\left(3a^2b+2a\right)\left(3a^2+2a\right)$

$\frac{dy}{dx}=\frac{\left(y^2\right)}{x-1}$

$\lim_{x\to0}\left(\frac{3x^3}{2x^2-4+\:4\:\cos\left(x\right)}\right)$

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

$2u^2\cdot2x^2u^5\cdot6x$

$x^2+14x+45=0$