SOLUTION: sqrt(x+11)=sqrt(x) +1 im not sure how to solve for this
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Question 279187: sqrt(x+11)=sqrt(x) +1 im not sure how to solve for this
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
sqrt(x+11) = sqrt(x) +1
Square both sides
x + 11 = (sqrt(x) + 1)^2
FOIL the right side
x + 11 = x + sqrt(x) + sqrt(x) + 1
:
x + 11 = x + 2sqrt(x) + 1
;
x - x + 11 - 1 = 2sqrt(x)
:
10 = 2sqrt(x)
Square both sides
100 = 4x
x = 100/4
x = 25
:
You can check solution in original problem
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