Factorise with factor theorem: 8y^3-125x^3

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asked Jan 3, 2019 151k views

3 votes

Factorise with factor theorem: 8y^3-125x^3

Mathematics
middle-school

Sander Declerck asked

by Sander Declerck

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$\\ \\ = > 8 {y}^(3) - 125 {x}^(3) \\ \\ = > {(2y)}^(3) - {(5x)}^(3) \\ \\ = > (2y - 5x)(( {2y)}^(2) + 2x * 5y + ( {5x)}^(2) ) \\ \\ = > (2y - 5x)(4 {y}^(2) + 10xy + 25 {y}^(2) ) \: \: \: \: \: \: \: (ans)$

Pablo Guerrero answered Jan 10, 2019

by Pablo Guerrero

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