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21 November, 09:10

X^2 - 4x - 77 = 0 Factor and check

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  1. 21 November, 09:36
    0
    X² - 4x - 77 = 0

    (x + 7) (x - 11)

    x + 7 = 0

    x - 11 = 0

    x = - 7

    x = 11
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