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4 January, 00:03

Solve 8x 2 - 2x - 1 = 0

{-1/4, 1/2}

{-1/2, 1/4}

{1/2}

+1
Answers (1)
  1. 4 January, 00:29
    0
    8x^2 - 2x - 1 = 0

    (2x - 1) (4x + 1) = 0

    2x - 1 = 0; x = 1/2

    4x + 1 = 0; x = - 1/4

    answer

    {-1/4, 1/2}
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