$\left(2+\frac{2i}{n}\right)^4$
$x^2-3x+930$
$\frac{x^3\:\:+\:\:8x^2\:\:+\:\:6x\:\:+\:\:\:1}{x\:-\:3}$
$\frac{1200}{-100}$
$\left(-5+4\right)+\left(6-8\right)\cdot\left(5-7\right)$
$\left(\frac{ex^{2}+yz}{\left(ex^{2}+y^{2}\right)^{2}}$
$x^5+x+yx2$
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