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17 December, 07:46

Factor the expression over the complex numbers. x2+25

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  1. 17 December, 07:57
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    (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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