Respuesta :

Answer:

x = ± 5i

Step-by-step explanation:

x² + 25 = 0 ( subtract 25 from both sides )

x² = - 25 ( since negative the roots are not real )

Take square root of both sides

x = ± [tex]\sqrt{-25}[/tex] = ± [tex]\sqrt{25(-1)}[/tex] = ± 5i

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