Respuesta :

Answer:

Step-by-step explanation: We can plug 2 into the equation for x:

3 - 2(4 + 2)

Now let's distribute:

3 - 8 - 4

Now we can solve:

3 - 8 = -5

-5 - 4 = -9

Final answer: 3 - x(4 + x) = -9