Question

[(-4).(+3)].(+7) = (-4)[(+3)(+7)]

Preciso saber a resposta ?????

Answer 1

[(-4).(+3)].(+7) = (-4)[(+3)(+7)] 
[-12].(7) = (-4)[21]
-84=-84

Answer 2

[(-4).(+3)].(+7) = (-4)[(+3)(+7)]

[-12] . (+7) = (- 4). [+21]

- 84 = - 84