Respuesta :

Answer:

-13

Step-by-step explanation:

3x2 - 7x +9

3x2 - 7(4) +9

3x2 - 28 +9

6-28+9

-22+9

-13

Hope this helped and have a great day

(Please brainliest)

nicoledsouza1809

Answer: 11

Step by step explanation = 5x - 16x

                                             9 - 20

                                             = 11