Question

Me ajudem por favor!​

Answer 1

Resposta:

x = -1/27 +[1\3-(-1/3)]-²

x= - 1/27 + [1/3+1/3]-²

x=- 1/27 + [2/3]-²

x,= - 1/27 +9/4

x=-4/108 + 243/108

x=239/108