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22 September, 09:39

Solve the equation by finding square roots. To start, remember to isolate x^2. Equation = x^2+4=20

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  1. 22 September, 10:54
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    Get the equation simplified. Subtract 4 by each side.

    20-4 = 16

    and the square root of 16, is 4.

    Plug it in to check.

    (4) ^2+4=20

    16+4=20

    20=20

    Ultimately your final answer is X=4
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