Question

Which of the following statements follows from (x - 3)2 = 7?

Answer 1

(x-3) 2= 7
x-3 = 7/2
x = (7/2) × 3
x = 21/2 or 10.5

Answer 2

x = 17

Explanation:

(x-3)2 = 7

Divide both sides by two

(x-3)2 = 7

2 2

x-3= 31/2

x= 31/2-3

x= 1/2 or 0.5