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PLEASE HELP An unknown polynomial is added to the expression - 3x³ + 2x-5 and the resulting sum is 4x³ + 7x² - 3. What is the unknown polynomial?
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PLEASE HELP

An unknown polynomial is added to the expression - 3x³ + 2x-5 and the resulting sum is 4x³ + 7x² - 3. What is the unknown polynomial?

User Jedivader
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1 Answer

6 votes

Answer:

7x³ + 7x² + 2x - 8

Explanation:

User Yegor Babarykin
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