Respuesta :

The answer is 12+3x explanation: you would do 3•4 and 3•x because the 3 isn’t in the parentheses

Answer:

12+3x (see the explanation)

Step-by-step explanation:

3(4+x)

3 x 4 = 12

3 x 1x = 3x

  {12+3x} or {3x+12}