Answer:
-13
Step-by-step explanation:
3x2 - 7x +9
3x2 - 7(4) +9
3x2 - 28 +9
6-28+9
-22+9
Hope this helped and have a great day
(Please brainliest)
Answer: 11
Step by step explanation = 5x - 16x
9 - 20
= 11
