You can
put this solution on YOUR website!x^2+x+sqrt(x^2+x)-2=0
radicals really confuse me i dont know where to start.
-----------------
That's a good reason to eliminate them.
Isolate the radical on one side of the equal sign and square both sides.
x^2+x-2 = -sqrt(x^2+x)

---------------
You didn't say what you want to do.
If you want to graph it, dl the FREE software from
www.padowan.dk.com/graph/