What is y^ (2) - x^ (2) when y=6 and x=5

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.