4) Solve the equation and determine the solution(s) or any extraneous solution.
2 - 2
2+4=
2
Solution: x= 1 or 2 = 2 Extraneous solution: none
Solution: = -1 Extraneous solution: = -2
Solution: x = 1 Extraneous solution: x = 2
Solution: x=-1 or x = -2 Extraneous solution: none
Solution: =
-2 Extraneous solution: x=-1