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Question 3 of 10 Which of the following represents the set of possible rational roots for the polynomial shown below? 2x^3+ 5x^2 – 8x – 20 = 0

Question 3 of 10 Which of the following represents the set of possible rational roots for the polynomial shown below? 2x^3+ 5x^2 – 8x – 20 = 0
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3 votes
Question 3 of 10

Which of the following represents the set of possible rational roots for the
polynomial shown below?
2x^3+ 5x^2 – 8x – 20 = 0

asked
User Yazan Najjar
by
8.4k points

1 Answer

9 votes

Answer:

2x^3-8x+5x^2-20

2x(x^2-4)+5(x^2-4)

(2x+5)(x^2-4)

(2x+5)(x+2)(x-2)

answered
User Chrisst
by
8.1k points
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