Need help on how to solve this problem!!!

Question

Solve for :

    

The lower (or only) solution for this equation is    

The higher solution for this equation is    

The solution     is an extraneous solution (if any).

(Fill in each with an integer or a rational number or the word "none" or "n/a" with no capital letters or quotation marks.)

Answer 1

After raising each side of the equation to the second power, the result is

x + 2 = 9.

x=7 is the only solution.

Anita A.