Resposta :
-2 a^2b +b -4ab^2 +3c
-2.2^2.3 + 3 - 4.2.3^2 + 3.(-1)
-2.4.3 + 3 - 4.2.9 -3
-24 + 3 - 72 - 3
-21 - 75
= -96
-2.2^2.3 + 3 - 4.2.3^2 + 3.(-1)
-2.4.3 + 3 - 4.2.9 -3
-24 + 3 - 72 - 3
-21 - 75
= -96