Pre-algebra

0.2297=(1/x^2-1/49)

I don't get how to solve for x. Pls help stuck on a problem

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  1. multiply both sides of the equation by 49 x^2

    .2297 (49x^2) = 49 - x^2
    11.123 x^2 + x^2 = 49
    12.123 x^2 = 49

    x = +/- 7/sqrt(12.123)
    = +/- 2.01

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