$\int\left(\frac{15y^{3}+21y^{2}+6}{3y^{6}}\right)dx$

$\sqrt{68x^3}$

$35m^5-49m^3-7m$

$3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3$

$\lim_{x\to0}\left(\frac{2x+sin\left(x\right)}{6x\:+cos\left(x\right)}\right)$

$\int\left(tan^{-1}\left(t^6\right)\right)dt$

$6x-2y$