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9 February, 00:05

What is the solutions to X2 equals 8

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  1. 9 February, 00:14
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    x = ±2sqrt (2)

    Step-by-step explanation:

    x^2 = 8

    Take the square root of each side

    sqrt (x^2) = ±sqrt (8)

    x = ±sqrt (4*2)

    We know that sqrt (ab) = sqrt (a) sqrt (b)

    x = ±sqrt (4) sqrt (2)

    x = ±2sqrt (2)
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