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 (x^3-a^3):(x-a)???????

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(x^3-a^3):(x-a)???????

 Aug 19, 2016

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(x^3-a^3):(x-a)  =

 

[ (x - a) (x^2 + xa  + a^2)] /  (x - a)  =

 

(x^2 + xa + a^2)

 

 

cool cool cool

 Aug 20, 2016

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