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11 October, 20:09

Find the zeros of y = x2 - 6x - 4 by completing the square.

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  1. 11 October, 20:18
    0
    x = 3 - √13, 3 + √13.

    or

    -0.61, 6.61 to the nearest hundredth.

    Step-by-step explanation:

    x^2 - 6x - 4 = 0

    (x - 3) ^2 - 9 - 4 = 0

    (x - 3) ^2 = 13

    x - 3 = + / -√13

    x = 3 - √13, 3 + √13.
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