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8 April, 12:52

Solve for x. x2 - 16 = 9 A) x = 3 or - 3 B) x = 4 or - 4 C) x = 5 or - 5 D) x = 6 or - 6

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  1. 8 April, 13:04
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    C

    Step-by-step explanation:

    x^2 - 16 = 9

    x^2 - 16 + 16 = 9+16

    x^2 = 25

    √x^2 = √25

    x = 5
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