SOLUTION: Solve the equation x -2 squareroot x = 8

SOLUTION: Solve the equation x -2 squareroot x = 8

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Question 180047: Solve the equation x -2 squareroot x = 8
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!

:
subtracted x from both sides
:
squared both sides
:

:

:

:
x=4 and 16
:
4 is an extraneous root which occurs at times when squaring, so we throw it out as a solution
:
x=16
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