Respuesta :
3x + 3(x+y) = 3x + 3(x) + 3(y) = 6x + 3y
3(x+x+y) = 3(x) + 3(x) + 3(y) = 6x + 3y
The answer is the first 2
3(x+x+y) = 3(x) + 3(x) + 3(y) = 6x + 3y
The answer is the first 2