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One of the factors of x³ + 8 is x+2. What is the other factor?

User Esy
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1 Answer

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24 votes

x^3+8

= (x)^3 + (2)^3

= (x+2) (x^2-2x+2^2)

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

The other factor is x^2-2x+4.