expand the following: 512x^3-216y^3​

Answers 1

Answer:

512x^3-216y^3

=(8x)^3-(6y)^3

=(8x-6y){(8x)^2+8x*6y+(6y)^2}

=(8x-6y)(64x^2+48xy+36y^2)

=2(4x-3y)*4(16x^2+12xy+9y^2)

=8(4x-3y)(16x^2+12xy+9y^2)

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Explanation:

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