Solve. x² – 81 = 0 (1 point) Responses 0 0 –9 –9 –9, 9 –9, 9 9 9

Answer 1

x² – 81 = 0

x² = 81

√(x²) = ±√(81)

x = ± 9

Therefore, the solutions are x = -9 or x = 9.

The correct response is -9, 9.