radar12 radar12

18-03-2018
Mathematics

contestada

can 27x^3+8y^3 be factor polynomial?

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grujan50 grujan50

18-03-2018

This is the sum of the cubes.

First we must transform

27x^3+8y^3= (3x)^3+(2y)^3=(3x+2y) *(9x^2+6xy+4y^2)

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