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17 September, 11:15

Which of the binomials below is a factor of this trinomial?

5x2 + 15x - 50

O A. X-10

O B. X-2

O C. x+10

O D. x + 2

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Answers (1)
  1. 17 September, 11:32
    0
    5 (x+5) (x-2)

    Step-by-step explanation:

    5x^2 + 15x - 50

    Factor out a 5

    5 (x^2 + 3x - 10)

    What 2 terms multiply to - 10 and add to 3

    5*-2 = - 10

    5-2 = 3

    5 (x+5) (x-2)
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