Answer :

f(x) = -5x -4

g(x) = x^2+3

To find (g+f)(x)​ , simply add both equations:

(g+f)(x)​= x^2+3 + (-5x -4 )

(g+f)(x)​= x^2+3 -5x -4

Combine like terms

(g+f)(x)​= x^2-5x+3-4

(g+f)(x)​= x^2-5x-1

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