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15 November, 08:27

Solve y = x2 + 11 for x.

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  1. 15 November, 08:35
    0
    x = ±sqrt (y-11)

    Step-by-step explanation:

    y = x^2 + 11

    Subtract 11 from each side

    y - 11 = x^2 + 11-11

    y-11 = x^2

    Take the square root of each side

    ±sqrt (y-11) = sqrt (x^2)

    ±sqrt (y-11) = x
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