Respuesta :

Banabanana
   16 - (4² + 3)
= 16 - (16 + 3)
= 16 - 19
= -3
Supernova
16 - 4² + 3 = -3

You know 4² is 16.

If you have 4² + 3, that would be 19. Then 16 - 19 is -3. So put brackets around the 4² + 3.

Your answer is 16 - (4² + 3) = -3.

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