Question

Help me please and ty

Answer 1

10

Explanation:

n^2+8n-7

-3^2+8(-3)-7

9+8(-3)-7

9+-24-7

17-7

10

Answer 2

-22

Explanation:

`n {}^(2) - n - 7 \\ { - 3}^(2) + (8 * - 3) - 7 \\ 9 + - 24 - 7 \\ - 31 + 9 \\ - 22`