r9avonndawnMarlyrod r9avonndawnMarlyrod

06-02-2016
Mathematics

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PLEASE HELP!! Factor completely. (y^2x) - (y^x) - 20

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Panoyin Panoyin

06-02-2016

[tex]y^{2x} - y^{x} - 20[/tex]
[tex]y^{2x} + 4y^{x} - 5y^{x} - 20[/tex]
[tex]y^{x}(y^{x}) + y^{x}(4) - 5(y^{x}) - 5(4)[/tex]
[tex]y^{x}(y^{x} + 4) - 5(y^{x} + 4)[/tex]
[tex](y^{x} - 5)(y^{x} + 4)[/tex]

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