SOLUTION: How do I solve: The square root of 2x+6=x

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: How do I solve: The square root of 2x+6=x      Log On


   

Question 964552: How do I solve:
The square root of 2x+6=x
Found 2 solutions by stanbon, kekegeter :
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve:
The square root of 2x+6=x
-------
sqrt(2x+6) = x
----
Square both sides to get:
2x+6 = x^2
-----
Solve::
x^2 - 2x - 6 = 0
-------
x = [2+-sqrt(4-4*-6)]/2
---
x = [2+- sqrt(28)]/2
---
x = [1+-sqrt(7)]
------------------
Cheers,
Stan H.
-----------------

Answer by kekegeter (97) About Me  (Show Source):