Question:
$x^{2}+5=0$
Solution:
Given:
$x^{2}+5=0$
$\Rightarrow x^{2}=-5$
$\Rightarrow x=\pm \sqrt{(}-5)$
$\Rightarrow x=\pm \sqrt{5} i$
Ans: $x=\pm \sqrt{5} i$
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