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28 February, 19:42

How do you solve 3^2x=81

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Answers (2)
  1. 28 February, 20:03
    0
    x=2

    Step-by-step explanation:

    3^2x = 81

    3^2x = 3^4

    Compare powers

    2x = 4

    x = 2
  2. 28 February, 20:04
    0
    x=ln (81) over 2ln (3)

    Step-by-step explanation:

    Using ln as its base thing instead of log and the formula usually is log over log. Plus you have to bring down the power that way.
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