$\lim_{x\to+\infty}\frac{5}{x-1}$
$4x^2-12x-17=0$
$6\cdot\left(-35\right)$
$2 \theta - 2 = 0$
$\frac{x^4-3x+2}{x-3}$
$\lim_{x\to\infty}\left(\left(\sqrt{x^2+2x}-\sqrt{x^2-4}\right)\right)$
$3x^3-\left(4x-7x^2\right)+\left(x+2\right)^2$
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