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28-12-2020
Mathematics

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The polynomial equation x3 - 4x²+2x+10 - 42 -5x-3 has complex roots 3 + 21. What is the other root? Use a graphing
calculator and a system of equations.
O-3
O-1
O 3
O 10

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sqdancefan sqdancefan

28-12-2020

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Answer:

B. -1

Step-by-step explanation:

The graphing calculator shows the left-side function intersects the right-side function at x = -1.

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