$2cos\frac{4\pi}{7}x=\sqrt{2}$

$z^2+26zm^2x^2+169m^4x^4$

$\frac{x^3-1}{x-2}$

$\int6y^{-5}dy$

$5x-11x-12$

$\frac{\tan\left(x\right)}{\sin\left(x\right)}+\csc\left(x\right)=\sec\left(x\right)+\csc^2\left(x\right)$

$4\left(\frac{3}{2}\right)^5-4\left(\frac{3}{2}\right)^4+10\left(\frac{3}{2}\right)^2-\left(\frac{3}{2}\right)-6$