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The partial fraction decomposition of ` (x^2-5 x+8)/((x+4) ( x^2+3 x+7))` can be written in the form of ` (f(x))/((x+4)) +(g(x))/(( x^2+3 x+7)),` where

`f(x)=`   ,
`g(x)=`   .

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