What are the solution(s) of x^2-4=0? х = -4 or x=4 х=-2 or x= 2 х=2 х=4

Question

What are the solution(s) of x^2-4=0?
х = -4 or x=4
х=-2 or x= 2
х=2
х=4

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Vivian 3 weeks 2021-09-28T03:09:21+00:00 1 Answer 0

Answers ( )

    0
    2021-09-28T03:10:26+00:00

    Answer:

    x = – 2 or x = 2

    Step-by-step explanation:

    Given

    x² – 4 = 0 ( add 4 to both sides )

    x² = 4 ( take the square root of both sides )

    x = ± \sqrt{4} = ± 2

    Thus x = – 2 or x = 2

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