Question

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

Answer 1

Answer:

x – 9 = ±9

Step-by-step explanation:

(x – 9)² = 81

(x – 9) = √81

x-9=±9