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lesya692 [45]
3 years ago
5

Enter your answer and show all the steps that you use to solve this problem in the space provided.

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

4x^3 + 2x^2 + 2x

Step-by-step explanation:

The functions are f(x) = 9x^3 + 2x^2 -5x + 4 and g(x) = 5x^3 - 7x + 4. Find the equation when g is subtracted from f and combing like terms. Remember like terms are terms with the same base and exponent.

(9x^3 + 2x^2 -5x + 4) - (5x^3 - 7x + 4)\\f(x) - g(x) = 9x^3 + 2x^2 -5x + 4 -5x^3 + 7x -4\\f(x) - g(x) = 4x^3 + 2x^2 + 2x

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