Respuesta :

Answer:

11

Step-by-step explanation:

Answer:11

Step-by-step explanation:

Plugging in y=6 and x=5, we get 6^2 -5^2. This is difference of squares, so we can write this as (6+5)(6-1)=11.

Alternatively, we can simply do 6^2-5^2==36-25=11.