$\left(x+7\right)+\left(x+7\right)+\left(x+7\right)+\left(x+7\right)+\left(x+2\right)+\left(x+2\right)+\left(x-5\right)+\left(x-5\right)+\left(x-2\right)+\left(x-2\right)+\left(x-2\right)$

$\lim_{x\to0}\left(\frac{4x+2sin\left(3x\right)}{x-sin\left(2x\right)}\right)$

$4y\left(4+3y\right)$

$\sqrt[3]{\frac{-8z^6}{x^6y^3}}$

$\int_0^1x^{-3}dx$

$5m^{2}n+15m^{2}n$

$sin\left(140^{\circ}\right)cos\left(20^{\circ}\right)\:-\:cos\left(140^{\circ}\right)sin\left(20^{\circ}\right)$