$-20\cdot9+180$
$x^5+x^5$
$-7x+43\le2x-2$
$2x^2+10x-48=0$
$\left(2a^3b^{10}\right)^9$
$8\left(\frac{a^8+b^8}{\left(ab\right)^4}\right)$
$\frac{\left(x^{3\:}+\:9\right)^2}{cosx^4\left(x^4-5\right)^6}$
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