$\frac{x+1}{x-6}>7$
$xln\left(x^2+1\right)-2\left(x-\arctan\left(x\right)\right)$
$x^2+45=-18x$
$y^2\:e^2^y$
$\lim_{x\to0}\left(\frac{\frac{1}{x+11}-\frac{1}{11}}{x}\right)$
$\left(3x-11yz\right)^2$
$\left(x^2y^3-1\right)^3$
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