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Answer :

JacobEwinggo

Answer:

f(x) + g(x) = x² + 17x + 72

If you want to factor that, then it comes out as:

f(x) + g(x) = (x + 8)(x + 9)

Step-by-step explanation:

[tex]f(x) + g(x)\\= x^2 + 16x + 63 + x + 9\\= x^2 + 17x + 72\\= (x + 8)(x + 9)[/tex]

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