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6 October, 10:26

What are all the solutions of x2 + 3x - 4 = 0?

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Answers (2)
  1. 6 October, 13:16
    0
    x² + 3x - 4 = 0 → (-4 = - 1 * 4 or - 2 * 2) → - 1 + 4 = 3 and - 2 + 2 = 0

    (x - 1) (x + 4) = 0

    x - 1 = 0 x + 4 = 0

    +1 + 1 - 4 - 4

    x = 1 x = - 4

    Answer: 1, - 4
  2. 6 October, 13:36
    0
    X^2 + 3x-4=0

    (X+4) (x-1) = 0 so x = - 4 and x=1 are solutions
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