SOLUTION: (square root of x+2)-x=0 Solve algebraically and check your potential solutions: I have no idea how to do this problem. Any suggestions will be very helpful

Algebra ->  Square-cubic-other-roots -> SOLUTION: (square root of x+2)-x=0 Solve algebraically and check your potential solutions: I have no idea how to do this problem. Any suggestions will be very helpful      Log On


   

Question 122325: (square root of x+2)-x=0 Solve algebraically and check your potential solutions: I have no idea how to do this problem. Any suggestions will be very helpful
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
adding x __ sqrt(x+2)=x

squaring __ x+2=x^2

subtracting x+2 __ 0=x^2-x-2

factoring __ 0=(x-2)(x+1)