Question

If (x - 3)2 = 5, then
x=-315
Ox= 3+V5
Ox= 5+13

Answer 1

x = 3 ±sqrt(5)

Explanation:

(x - 3)^2 = 5

Take the square root of each side

Sqrt( (x - 3)^)2 =±sqrt( 5)

x-3 = ±sqrt(5)

Add 3 to each side

x-3+3 = 3 ±sqrt(5)

x = 3 ±sqrt(5)