Respuesta :

phonce
The answer is D
[tex] \frac{12 {x}^{6} {y}^{ - 4} {z}^{2} }{3 {x}^{2} {y}^{ - 6} {z}^{3} } \\ = \frac{4 {x}^{4} {y}^{2} }{z} [/tex]