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Answer :

Spacego

Answer:

f(x) + g(x) = x² - 10x + 9

General Formulas and Concepts:

Algebra I

  • Combining Like Terms

Step-by-step explanation:

Step 1: Define

f(x) = x² - 11x + 18

g(x) = x - 9

Step 2: Find f(x) + g(x)

  1. Substitute:                              f(x) + g(x) = x² - 11x + 18 + x - 9
  2. Combine like terms (x):          f(x) + g(x) = x² - 10x + 9

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