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7 June, 11:42

What are the solution's of x2-4=0

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  1. 7 June, 12:42
    0
    x=2 or x=-2

    Step-by-step explanation:

    x2-4=0

    Step 1: Add 4 to both sides.

    x2-4+4=0+4

    x2=4

    Step 2: Take square root.

    x=±√4

    x=2 or x=-2
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