Question 44006
{{{x-sqrt(x)=0}}}
{{{x=sqrt(x)}}}
there is only two numbers in the whole great big massive huge enormous world that apply to this equation. 
They are 0 and 1
Therefore the solution is {{{x=0}}} or {{{x=1}}}

I hope this helps.

P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would send me your feedback on my help to adam.chapman@student.manchester.ac.uk.