$\frac{1}{12}c^3mc$

$\left(1-\cos\left(4x\right)\right)\left(4x^2\right)$

$-3m^3-7m^3$

$\frac{4x^2+8x+6}{2x-5}$

$\left(25m+2n-8\right)+\left(4n-8nm\right)+\left(4m-6nm\right)$

$\sqrt[\left[2\right]]{48}+\sqrt[2]{27}$

$sin\left(\frac{\pi}{12}\right)cos\left(\frac{7\pi}{12}\right)-cos\left(\frac{\pi}{12}\right)sin\left(\frac{7\pi}{12}\right)$