SOLUTION: (2x+5)squared=5

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Question 85838: (2x+5)squared=5
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%28sqrt%282x%2B5%29%29=5
%28%28sqrt%282x%2B5%29%29%5E2%29=%285%5E2%29 [square both sides to get rid of the radical sign]
.
2x+5=25
2x+5-5=25-5 [solve for the x-term]
2x=20
2x/2=20/2
x=10
.
Checking:
%28sqrt%282x%2B5%29%29=5
%28sqrt%282%2810%29%2B5%29%29=5
%28sqrt%2825%29%29=5
5=5 [checks out]