Answer:
x=2andx= -2
Step-by-step explanation:
two x squared - 8 is equal to zero so you take the it across the equal to sign to get 2x squared equal to 8 you divide both sides divide both sides by two to give you two x squared is equal to 4 m taking root of Both Sides you get x equal to Plus or minus two so therefore x is equal to 2 or -2
