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3 October, 15:59

Which are solutions of the equation x2 - 16 = 0? Check all that apply

x = - 8

x=-4

x = - 2

x = 2

x=4

x=8

+1
Answers (2)
  1. 3 October, 16:14
    0
    X = 4

    x = - 4

    B and E
  2. 3 October, 16:18
    0
    Steps to solve:

    x² - 16 = 0

    ~Add 16 to both sides

    x² - 16 + 16 = 0 + 16

    ~Simplify

    x² = 16

    ~Take the square root of both sides

    √x² = ±√16

    ~Simplify

    x = 4 or - 4

    Best of Luck!
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