$x^2-\frac{2}{x+1}$
$\frac{4x^2}{8x^3}$
$2x-8>3x+2$
$\left(4x-8\right)^2$
$\lim_{x\to\infty}\left(\frac{4x^2+x}{9+2x^2}\right)$
$9\cdot g+39>84$
$987.654\:x\:987$
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