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Masteriza [31]
3 years ago
8

Please answer this question

Mathematics
1 answer:
pochemuha3 years ago
3 0

Answer:

The answer is the 3rd one or C

hope this helps:)

Step-by-step explanation:

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X^3 - 21x = -20add 20 to both sidesx^3 - 21 x + 20 = 0Rational Root Theorem:Factors of P (constant) 20 = 1, 2, 4, 5, 10, 20-------------------------------      Factors of Q (leading Coefficient) = 1
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Read more about areas at:

brainly.com/question/2264643

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