Respuesta :
Answer:
D ±3
Step-by-step explanation:
We can solve this equation for x
[tex]x^{2} -4=5\\x^{2} =9[/tex]Take the square root of both sides
x=±3

Answer:
D ±3
Step-by-step explanation:
We can solve this equation for x
[tex]x^{2} -4=5\\x^{2} =9[/tex]Take the square root of both sides
x=±3