$\frac{d}{dx}y^3+x^2y=9$

$\int\frac{\left(x^2\right)}{\left(x-4\right)\left(x+5\right)}dx$

$2x^2-2x-112$

$3+2\cdot3\cdot\left(4\cdot2\right)-\left(6-7\right)-2\cdot4\cdot\left(-1\right)$

$\lim_{x\to-2}\left(x-x^2\right)$

$-9m-7m^3$

$\lim_{x\to\pi}\left(\frac{\csc\left(\pi\right)}{\csc3\left(\pi\right)}\right)$