Tomamos como el límite
$$\lim_{x \to 0^+}\left(\frac{3 x^{3} + \left(2 - 5 x^{2}\right)}{5 x^{2} + \left(2 x^{3} + x\right)}\right)$$
cambiamos
$$\lim_{x \to 0^+}\left(\frac{3 x^{3} + \left(2 - 5 x^{2}\right)}{5 x^{2} + \left(2 x^{3} + x\right)}\right)$$
=
$$\lim_{x \to 0^+}\left(\frac{\left(x - 1\right) \left(3 x^{2} - 2 x - 2\right)}{x \left(2 x^{2} + 5 x + 1\right)}\right)$$
=
$$\lim_{x \to 0^+}\left(\frac{3 x^{3} - 5 x^{2} + 2}{x \left(2 x^{2} + 5 x + 1\right)}\right) = $$
False
= oo
Entonces la respuesta definitiva es:
$$\lim_{x \to 0^+}\left(\frac{3 x^{3} + \left(2 - 5 x^{2}\right)}{5 x^{2} + \left(2 x^{3} + x\right)}\right) = \infty$$