Question

Solve for x. Enter the solutions from least to greatest. (x−1)^2−9=0

Answer 1

Explanation:

(x−1)²−9=0

(x-1)²= 9

x-1 = ±√9

x-1 = ±3

x = 1-3=-2 or x=1+3=4

the solution = {-2,4}