Answer :

Answer:

Step-by-step explanation:

f(x) = x⁴ - 3x² + 5x - 7

g(x) = x³ - 3x² + 3x - 1

x⁴ - 3x² + 5x - 7 - x³ + 3x² - 3x + 1

x⁴ - x³ + 2x - 6

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