hi
(x+9)² = 25 ⇒ (x+9) = 5 or (x+9) = -5 as 5² = 25 and (-5)² = 25
if x+9 = 5 or x+9 = -5
x = 5-9 x = -5 -9
x = -4 x = -14
So answers are : value of x are -4 or -14
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