lexijean42004 lexijean42004

11-04-2019
Mathematics

contestada

Factor completely x^2 + 25

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jimrgrant1 jimrgrant1

11-04-2019

Answer:

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

Step-by-step explanation:

x² + 25 can be factored as a difference of squares

a² - b² = (a + b)(a - b)

with a = x and b = 5i

x² + 25 = (x + 5i)(x - 5i)

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