SOLUTION: Hello. I'm practicing for an exam and I need some help with the following problem. Solve the equation: 2 + squareroot(2-x) = x thanks!

Question 189394: Hello. I'm practicing for an exam and I need some help with the following problem.
Solve the equation:
2 + squareroot(2-x) = x
thanks!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
2 + squareroot(2-x) = x
------------------
Step 1 - isolate the radical.

Then square both sides. This eliminates the radical.

(x-1)*(x-2) = 0
x = 1
x = 2
----------
2 works.
The 1 is an extraneous solution, ignore it.
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