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The partial fraction decomposition of ` (-8 x^2+15 x-36)/((x+4) ( x^2-3 x+4))` can be written in the form of ` (f(x))/((x+4)) +(g(x))/(( x^2-3 x+4)),` where

`f(x)=`   ,
`g(x)=`   .

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