Respuesta :
Answer:
x = 3
Step-by-step explanation:
x^2 - 9 = 0
Add 9 to both sides
x^2 = 9
Square on both sides
x = 3
Hope this helps!
Answer:
x = 3
Step-by-step explanation:
x^2 - 9 = 0
Add 9 to both sides
x^2 = 9
Square on both sides
x = 3
Hope this helps!