austinyoung austinyoung

18-12-2018
Mathematics

contestada

Factor the expression over the complex numbers. x2+25

Respuesta :

jimrgrant1 jimrgrant1

18-12-2018

Answer:

(x - 5i)(x + 5i)

Step-by-step explanation:

Find the roots by solving x² + 25 = 0

hence x² = - 25 ( take the square root of both sides )

x = ± 5i

x² + 25 = (x - 5i)(x + 5i)

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