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What is the factored form of the expression? s^4 – 16 A. (s - 2)^2(s + 2)^2 B. (s - 2)(s + 2) C. (s - i)(s + i)(s - 2)(s + 2) D. (s - 2i)(s + 2i)(s - 2)(s + 2)
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What is the factored form of the expression?

s^4 – 16

A. (s - 2)^2(s + 2)^2

B. (s - 2)(s + 2)

C. (s - i)(s + i)(s - 2)(s + 2)

D. (s - 2i)(s + 2i)(s - 2)(s + 2)

User Prd
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1 Answer

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It's D. Just use FOIL to check
User Moyuan Huang
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