Answer:
[tex]x=-1-i\sqrt{7}[/tex], [tex]-1+i\sqrt{7}[/tex]
Step-by-step explanation:
[tex]x=\frac{-b+\sqrt{b^2-4ac} }{2a}[/tex]
[tex]x=\frac{-b-\sqrt{b^2-4ac} }{2a}[/tex]
Here a=1, b=2 and c=8