16-09-2015
Mathematics

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Factor x cubed plus 8

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Аноним Аноним

16-09-2015

[tex]x^3+8=x^3+2^3\\\\use\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(x+2)(x^2-(x)(2)+2^2)\\\\\huge\boxed{=(x+2)(x^2-2x+4)}[/tex]

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Lonninat000 Lonninat000

16-09-2015

(X+2)^3
Because X^3 is X^3
And 2^3 is 8

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