Respuesta :

devishri1977

Answer:

D

Step-by-step explanation:

[tex]\frac{3x}{x+2}*\frac{x}{x-1}=\frac{3x^2}{x^{2}+(2-1)x+(2)*(-1)}\\\\=\frac{3x^{2}}{x^{2}+x-2}[/tex]

Use the formula: (x+a)(x+b)= x^2+(a+b)x+ab