precalculus

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solve the following exponential equation. show all work.

4^(4x+2)= 1/64

  • precalculus -

    4^(4x+2)= 1/64
    4^(4x+2)= 1/4^3
    4^(4x+2)= 4^-3
    so
    4x+2 = -3
    4x = -5
    x = -5/4 or = -1.25

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