Respuesta :

Answer:

-6

Step-by-step explanation:

Plug in x = 3 in the equation: 3(3 - 4) + 2(3) - (3)^2

Now simplify with order of operations:

3(3 - 4) = -3

2(3) = 6

-(3)^2 = -9

-3 + 6 - 9 = -6