Respuesta :

Answer:

your 3rd option

Step-by-step explanation:

[tex]\frac{-1+/-\sqrt{1-4(2)(2} )}{2(2)}[/tex]

[tex]{\frac{-1+/-\sqrt{1-16} }{4}}[/tex]

[tex]{\frac{-1+/-\sqrt{-15} }{4}}[/tex]

[tex]{\frac{-1+/-i\sqrt{15} }{4}}[/tex]