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5 December, 07:42

Solve and simplify using the square root property x2-8=11

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  1. 5 December, 10:49
    0
    x = ±sqrt (19)

    Step-by-step explanation:

    x^2-8=11

    Add 8 to each side

    x^2-8+8=11+8

    x^2 = 19

    Take the square root of each side

    sqrt (x^2) = ±sqrt (19)

    x = ±sqrt (19)
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