SOLUTION: I really need/would like to understand how to do this problem, (x+7)^2/3=64

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Question 756193: I really need/would like to understand how to do this problem, (x+7)^2/3=64
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I really need/would like to understand how to do this problem, (x+7)^2/3=64
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%28x%2B7%29%5E2%2F3=64
%28x%2B7%29%5E2+=+192
x%2B7+=+sqrt%28192%29+=+8sqrt%283%29
x+=+-7+%2B+8sqrt%283%29
x+=+-7+-+8sqrt%283%29