SOLUTION: What are the exact solutions for the following to 3 decimal places: (x + 7)^2 = 81

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Question 430592: What are the exact solutions for the following to 3 decimal places:
(x + 7)^2 = 81

Answer by ewatrrr(10682) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi
(x + 7)^2 = 81
x+7 = ± 9
x = 7 ± 9
x = 16 and x = -2