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Solve equation by finding square roots. 49x^2 - 16 = - 7

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  1. 5 May, 19:15
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    Solve equation by finding square roots. 49x^2 - 16 = - 7

    49x²-16 = - 7

    49x² = - 7 + 16

    49x² = 9

    find the square root of both sides

    7x = 3

    x = 3/7
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