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9 June, 20:34

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

x2 + 5x-36

O A. x2 + 5

O B. x-9

O c. x-5

O D. x + 9

+2
Answers (2)
  1. 9 June, 20:37
    0
    it's answer is D. x+9

    Step-by-step explanation:

    x² + 5x - 36

    = x² + (9 - 4) x - 36

    = x² + 9x - 4x - 36

    = x (x + 9) - 4 (x + 9)

    = (x + 9) (x - 4)
  2. 9 June, 20:58
    0
    D

    Step-by-step explanation:

    x²+5x-36=0

    (x-4) (x+9) = 0
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