$sec\left(x\right)-\tan\left(x\right)\sin\left(x\right)-\sin\left(x\right)$

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

$4x^2+4y^2-12x+16y-5=0$

$2^3+32^23+23^2+4^3$

$\left(x^2y^3+x\right)dx\:+\:\left(x^3y^2\right)dy\:=\:0$

$\left(x^2-5x+2\right)\left(x^2-2\right)$

$16a^2+64a$