Question

Resolva a equação de 2 grau incompleta: 4x²-256=0.

Answer 1

4x²-256=0

x²-64=0

x²=64

x=√64

x=±8

Answer 2

4x²-256=0

x²= -256/4

x²=64

x= +ou - √64

x= 8

x1=-8 x2= 8