$5x\sqrt[3]{256a^7}m^2x^5$

$4^6^7$

$\frac{355}{5}+42$

$\frac{x^2-2x-3}{x-3}$

$\left(2x^2+2x\right)^3$

$14x\:-\:x\:+\:17y\:+\:4x\:+\:y\:+\:23x\:-\:16y$

$\frac{\cos\left(x\right)+\frac{\sin\left(x\right)\sin\left(x\right)}{\cos\left(x\right)}}{\tan\left(x\right)}=\csc\left(x\right)$