Ritaventura Ritaventura

11-03-2018
Mathematics

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please help algebra 2!!

please help algebra 2 class=

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harpazo harpazo

11-03-2018

Let u = x^2

u^2 + 12u - 64

(u - 4)(u + 16)

Back-substitute for u.

(x^2 - 4)(x^2 + 16)

(x + 2)(x - 2)(x + 4i)(x - 4i)

Answer: Choice a.

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