How can I make x the subject in this formula?

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Dordie.!!x
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Help!

How do i rearrange this equation to make x the subject?

y=xsquared
 

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[tex]y=x^2[/tex]
[tex]x=\sqrt y[/tex] ?
 
abs(x)=y
+or- sqrt y=x
 
Depends on the context. If it is to find the inverse of a function, then it is just SQRT(y)=x - ignoring the negative part...
 

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