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28 January, 20:23

The solutions to choose the quadratic equation x^2 - 8x - 9 = 0 A. - 21 B. - 1 C. 9 D. 29

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  1. 28 January, 21:23
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    X² - 8x - 9 = 0

    (x - 9) (x + 1) = 0

    x = 9 or x = - 1
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