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10 February, 20:44

Factor completely: 3x2 - 17x - 28

(3x + 4) (x + 7)

(3x + 4) (x - 7)

3x2 - 17x - 28

(3x2 + 4) (x - 7)

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Answers (2)
  1. 10 February, 22:26
    0
    3x^2 + 4x - 21x - 28

    x (3x + 4) - 7 (3x + 4)

    (3x + 4) (x - 7)

    Answer: B).
  2. 10 February, 23:46
    0
    3x^2 - 17x - 28

    = 3x^2 - 21X + 4x - 28

    = 3x (x - 7) + 4 (x - 7)

    = (3x + 4) (x - 7)
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