$2x^2-10x+13$

$\int\left(\frac{8\:csc^3x}{tan\:x}\right)dx$

$f\left(x\right)\:=\:2\left(3x\:-\:6\right)\:^2\:-\:18$

$\frac{dy}{dx}=y\left(6x^4+5\right)$

$\lim_{x\to-\pi}\sqrt{x+9}\cos\left(x+\pi\right)$

$\lim_{x\to\infty}\left(\sqrt{x^2+x+2}-\left(x-5\right)\right)$

$9y+3-4x-2y-3w$