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Mathematics 17 Online
OpenStudy (anonymous):

What vale of U can you substitute into the equation 9y^-4-8y^-2-9=0 to get an equation in standard quadratic form. With the following given: u=y^2 u=y^-2 u=3/y^4 u=3y^2 u=y-3

OpenStudy (anonymous):

second one

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