The answer is x = -4.
Applying the square root property of equality basically means that we need to take the square roots of both sides.
Which turns into:
Then we can isolate x by subtracting 9 from both sides:
Applying the square root property of equality basically means that we need to take the square roots of both sides.
Which turns into:
Then we can isolate x by subtracting 9 from both sides: