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12-08-2021
Mathematics

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Factorize (x-3y)^3+27y^3
With explanation
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Respuesta :

12-08-2021

Use the identity: a^3 + b^3 = (a + b)(a^2 - ab + b^2)
Replace b^3 by 27y^3
x^3 + 27b^3 = (x + 3y)(x^2 - 3xy + 9y^2)

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