Answer:
x = 1, x = 13
Explanation:
(x - 7)² = 36 ( take square root of both sides )
x - 7 = ± = ± 6 ( add 7 to both sides )
x = 7 ± 6
then
x = 7 - 6 = 1
x = 7 + 6 = 13
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