Question

Solve for . Write the smaller solution first, and the larger solution second.
(x - 1)² – 9=0

Answer 1

-2 , 4

Explanation:

(x - 1)² – 9=0

(add nine to both sides)

(x - 1)² = 9

(square root both sides)

x - 1 = (positive or negative) 3

(add 1)

x = 4 or -2