Question 856111
<pre>
{{{sqrt(x+2)-2 =0}}} 

Isolate the radical means to get it by itself on one side.
To get rid of the -2, we add +2 to both sides:

{{{sqrt(x+2)=2}}}

Square both sides:

{{{(sqrt(x+2))^2=(2)^2}}}

{{{x+2=4}}}

{{{x=2}}}

Check:

{{{sqrt(x+2)=2}}}

{{{sqrt(4)=2}}}

{{{2=2}}}

Edwin</pre>