Respuesta :
1.. Plug in f... 4 - (2 x 1).
2.. Multiply 2 x 1... 4 - 2
3.. Subtract... 4 - 2 = 2
The answer is 2
2.. Multiply 2 x 1... 4 - 2
3.. Subtract... 4 - 2 = 2
The answer is 2