Answer:
x = 5 or x = -5
Step-by-step explanation:
x^2−9=16
Add 9 to both sides
x^2 = 25
√x^2 = √25
x = 5 or x = -5
The value of x = 5 or x = -5
The equation is [tex]x^2-9=16[/tex]
[tex]x^2−9=16\\\\x^2 = 16 + 9\\\\x^2 = 25\\\\x = \sqrt{25}[/tex]
x = 5 or -5
Learn more about the equation here: https://brainly.com/question/15844891
