Respuesta :
x^2 - 9 = 0
x^2 = 9
x = 3
3^2 - 9 = 0
9 - 9 = 0
0 = 0
The answer is x = 3
Hope this helps =)
x^2 = 9
x = 3
3^2 - 9 = 0
9 - 9 = 0
0 = 0
The answer is x = 3
Hope this helps =)
Answer: x = 3, x= - 3
Step-by-step explanation:
x^2 - 9 = 0
=> x^2 = 9
=> x = 3, x= - 3