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03-10-2020
Mathematics

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Factor over the complex numbers. Show your work please.
x^4-5x^2-36

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Аноним Аноним

03-10-2020

Answer:

(x² + 4)(x + 3)(x - 3)

Step-by-step explanation:

Hi !

x⁴ - 5x² - 36 =

= x⁴ + 4x² - 5x² - 36

= x²(x² + 4) - 9(x² + 4)

= (x² - 9)(x² + 4)

= (x - 3)(x + 3)(x² + 4)

= (x² + 4)(x + 3)(x - 3)

Good luck !

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