SOLUTION: If {{{ sqrt (x^2 -5x -11) + 13 =x }}}, then what value is {{{x^2-3x+3}}} ?

Question 588770: If , then what value is ?
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Something is wrong with the problem, or my interpretation.
I cannot find a real x that is a solution of that equation.
If there is no x, how could there be an ?
If <--> and we are working in the real numbers,
then and .
Then, squaring both sides, we get
--> --> --> --> --> -->
But that is only a solution of
It is not a solution of <-->
because it makes
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