Respuesta :
Answer:
x = ± 8
Step-by-step explanation:
given x² = 64 ( take the square root of both sides )
[tex]\sqrt{x^{2} }[/tex] = ± [tex]\sqrt{64}[/tex]
x = ± 8 ← note plus or minus
This is because 8² = 64 and (- 8)² = 64
Answer:
x = ± 8
Step-by-step explanation:
given x² = 64 ( take the square root of both sides )
[tex]\sqrt{x^{2} }[/tex] = ± [tex]\sqrt{64}[/tex]
x = ± 8 ← note plus or minus
This is because 8² = 64 and (- 8)² = 64