Question

Given (x – 7)2 = 36, select the values of x. x = 13 x = 1 x = –29 x = 42

Answer 1

13

Explanation:

The value of x is 13. This can be shown thus:

(x - 7)² = 36

(x - 7)² = 6²

Therefore, x - 7 = 6

Collect like terms

x = 6 + 7

x = 13