Algebra 2

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Simplify (3^−2 − 2^−2)^−1

The answer is -36/5 I just need to know how to do it.

  • Algebra 2 -

    3^-2 = 1/3^2 = 1/9
    2^-2 = 1/2^2 = 1/4

    1/9 - 1/4 = -5/36

    (-5/36)^-1 = 1/(-5/36) = -36/5

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