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Factor completely x^2 + 25​

User Ericx
by
8.8k points

1 Answer

1 vote

Answer:

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

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)

User Phuong Nguyen
by
8.9k points

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