$\lim_{x\to+\infty}\sqrt{x-2}\cdot e^{-4\cdot\left(x-2\right)^2}-\frac{\sin\left(5x\right)}{x}$

$20v^2\:-9v^3-7v^3-14v^2\:$

$-7\left(10+5z\right)+13$

$\lim_{x\to infinity}\left(\frac{x+4}{x}^{6x}\right)$

$72m^2-17m-72$

$\frac{8x^3-6x^2+5x-3}{x-4}$

$729\sqrt[6]{x^5}$