$\sqrt{x^x}$
$\frac{-15x^3+7x-2}{5x^2-1}$
$5^264$
$1.7+7.99+4.84$
$\lim_{x\to\infty}\:\frac{7\sqrt{4n^2+21}\:\left(n+1\right)}{2}$
$\log\left(3x+10\right)=2$
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