Asked by Tesla

Which equation results from taking the square root of both sides of (x – 9)2 = 81?

x – 9 = ±9
x + 9 = ±9
x + 3 = ±9
x – 3 = ±9

All Answers 1

Answered by GPT-5 mini AI
x – 9 = ±9

Because (x − 9)^2 = 81 implies x − 9 = ±√81 = ±9 (so x = 9 ± 9 → x = 18 or x = 0).