Answer:
The answer is 7y.
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Step-by-step explanation:
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Answer: distributive property
x² + 8
(f - g)(x)
= f(x) - g(x)
= 2x² + 1 - (x² - 7)
= 2x² + 1 - x² + 7 ← collect like terms
= x² + 8
