kyleesparks344 kyleesparks344
  • 03-01-2020
  • Mathematics
contestada

help me please and ty

help me please and ty class=

Respuesta :

Аноним Аноним
  • 03-01-2020

Answer:

-22

Step-by-step explanation:

[tex]n {}^{2} - n - 7 \\ { - 3}^{2} + (8 \times - 3) - 7 \\ 9 + - 24 - 7 \\ - 31 + 9 \\ - 22[/tex]

Answer Link
blackpinknumber1fan
blackpinknumber1fan blackpinknumber1fan
  • 04-01-2020

Answer:

10

Step-by-step explanation:

n^2+8n-7

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

9+8(-3)-7

9+-24-7

17-7

10

Answer Link

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