Answer :

[tex] \dfrac{16 \pm \sqrt{-32} }{2} [/tex]

[tex] \dfrac{16 \pm \sqrt{-16 \times 2} }{2} [/tex]

[tex] \dfrac{16 \pm 4i\sqrt{2} }{2} [/tex]

[tex]8 \pm 2i \sqrt{2} [/tex]

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