$\left(\frac{8}{z^2}\right)^2\left(\frac{z^3}{2}\right)^4$
$1-5\cos\left(x\right)=6$
$\frac{n^4}{9}+2mn+9m^2$
$20+_{-4\left(3^2-6\right)}$
$\ln\left(\frac{y}{x}\right)$
$\frac{125-343m^{15}}{5-7m^5}$
$\int x^2\cosh\left(x\right)dx$
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