Respuesta :

The GCF of this would be...

27x + 9y

9 ( 3x + y)

To check... Multiple the back 

9 ( 3x + y)

27x + 9y

Answer:

The answer would be 9(3x+y)

Step-by-step explanation: to solve  the GCF equation you would go 9×3x=27x  +  9×y= 9y  =    27x+9y