Respuesta :
Answer:
x = - 8, x = 8
Step-by-step explanation:
Given
2x² = 128 ( divide both sides by 2 )
x² = 64 ( take the square root of both sides )
x = ± [tex]\sqrt{64}[/tex] = ± 8
That is x = - 8, x = 8
Answer:
x = - 8, x = 8
Step-by-step explanation:
Given
2x² = 128 ( divide both sides by 2 )
x² = 64 ( take the square root of both sides )
x = ± [tex]\sqrt{64}[/tex] = ± 8
That is x = - 8, x = 8