Respuesta :

Answer:

the answer is 4

Step-by-step explanation:

n2 - 3n+8
(4)2 -3(4) + 8
8 - 12 + 8
-4 + 8
4

Answer:

12

Step-by-step explanation:

n2 - 3n + 8

Substitute n for 4:

(4)2 - 3(4) + 8

Calculate:

8 - 12 + 8

Calculate:

12