Respuesta :

Answer:

-3

Step-by-step explanation:

Here,

x = -3 and y = 9

Now , let's solve

Step 1 :- Put the value of x and y in the expression .

  • = (-3)² - ( 9 )

Step 2 :- Expand exponent.

  • = 6 - 9

Step 3 :- Subtract 6 from 9.

  • = - 3

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