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17 November, 20:31

X² + 2x - 8 = 0

(x + _) (x - _)

x =

x =

+1
Answers (1)
  1. 17 November, 20:55
    0
    Factors of - 8 that add up to 2: 4 & - 2

    (x + 4) (x - 2)

    Set x to 0 for both and solve

    x = - 4

    x = 2
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