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vova2212 [387]
2 years ago
5

Enter your answer and show all the steps that you use to solve this problem and write your final answer in a factored form in th

e space provided.
Simplify:
(9x^3 + 2x^2 − 5x + 4) − (5x^3 − 7x + 4)
Mathematics
1 answer:
julsineya [31]2 years ago
5 0

Step-by-step explanation:

f (x) - g (x) = 9 x³ + 2 x² - 5 x + 4 - ( 5 x³ - 7 x + 4 ) =

9 x³ + 2 x² - 5 x + 4 - 5 x³ + 7 x - 4 =

9 x³ - 5 x³ + 2 x² - 5 x + 7 x + 4 - 4 =

4 x³ + 2 x² + 2 x =

2 x ∙ ( 2 x² + x + 1 )

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