# Reverse Fractions

Algebra Level 3

Let $\dfrac{x}{y}+\dfrac{y}{z}+\dfrac{z}{x}=-2 \quad \text{ and } \quad \dfrac{y}{x}+\dfrac{z}{y}+\dfrac{x}{z}=0.$

If $M = \dfrac{x^{3}}{y^{3}}+\dfrac{y^{3}}{z^{3}}+\dfrac{z^{3}}{x^{3}},$ then find the value of $M.$

×