Answer
$x = -1±-24i$
Work Step by Step
$x = \frac{-4±\sqrt{4^2-4⋅2⋅5}}{2⋅2}$
$x = \frac{-4±\sqrt{16-40}}{4}$
$x = -1±\sqrt{-24}$
$x = -1±\sqrt{-24}⋅\sqrt{-1}$
$x = -1±-24i$
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