Respuesta :

Jsf09

Answer:

13

Step-by-step explanation:

3(2)(2) -4(2)+9

12 -8 +9= 13
13


Well you will plug in 2 into x and it’ll give you 3(2)^2-4(2)+9 and when you work that out you get 3(4)-8+9 and then work that out and you’ll get 12-8+9 and then a final answer of 13