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# (x^4+5x^2-36)(2x^2+9x-5)=0 solve for the roots. factor both quadratic equations

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Melanie spent 4 hours babysiting she charges 16 dollers upfront and the an additional charge per hour the total amount she earned can be represented by the expression $4x+ $16 what expression repersents the amount she earns each hour?

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(x^4+5x^2-36)(2x^2+9x-5)=0 solve for the roots. factor both quadratic equations...

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