Respuesta :

I hope this helps you


x= -5x


f (g (x))=f (-5x)=(-5x)^3+(-5x)-7



f (-5x)= -125x^3-5x-7


x=x^3+x-7


g (f (x))=g (x^3+x-7)= -5 (x^3+x-7)


g (x^3+x-7)= -5x^3-5x+35

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good job