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lozanna [386]
3 years ago
7

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! Factor x^2 + 25 in the complex numbers.

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
7 0

Answer:  C) (x + 5i)(x - 5i)

<u>Step-by-step explanation:</u>

x² + 25 can be rewritten as x² - (-25)

Now use the difference of squares to factor: a² - b² = (a + b)(a - b)

√x² = x      √-25 = 5i

--> x² + 25 = (x + 5i)(x - 5i)

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