Question

$x^{2} +1=0$

Answer 1

Respuesta:

$x=i, \:x=-i$

Explicación paso a paso:

$x^2+1=0\\\\x^2+1-1=0-1\\\\x^2=-1\\\\x=\sqrt{-1},\:x=-\sqrt{-1}\\\\\sqrt{-1}\\\\=i\\\\-\sqrt{-1}\\\\=-i\\\\x=i,\:x=-i$