SOLUTION: factor completely 27x^3+343

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Question 31392: factor completely
27x^3+343

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
27X^3+343=(3X)^3+(7)^3=(3X+7){(3X)^2-(3X)*7+7^2}=(3X+7)(9X^2-21X+49)