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7 March, 01:55

Which equation has both 4 and - 4 as possible values

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  1. 7 March, 02:22
    0
    x² - 16 = 0

    Also,

    |x| = 4

    Step-by-step explanation:

    (x-4) (x+4) = 0

    x² - 16 = 0

    |x| = 4

    x = 4, - 4
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