Question

Solve for x.
(x – 3)2 = 64

Answer 1

35

Explanation:

2x-6=64

2x=70

x=35

Answer 2

x = 11 x = -5

Explanation:

(x – 3)^2 = 64

Take the square root of each side

sqrt((x – 3)^2 )=±sqrt( 64)

(x – 3)=±8

Add 3 to each side

x-3+3 = 3±8

x = 3±8

x = 3+8 x = 3-8

x = 11 x = -5