SOLUTION: solve for x {{{sqrt(x-2)=x-4}}}

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Question 1055411: solve for x

Answer by ikleyn(52887)   (Show Source): You can put this solution on YOUR website!
solve for x

~~~~~~~~~~~~~~~~~~~~~~~ 

 = .

Square both sides

x - 2 = .

 = 0.

Factor left side

(x-3)*(x-6) = 0.

The roots are x= 3  and  x= 6.

Only x = 6 satisfies the original equation.

Answer. The solution is x= 6.


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