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8 September, 17:55

Simplify 3 (3x-1) ^2=21

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Answers (2)
  1. 8 September, 19:28
    0
    3 (3x-1) ^2=21

    (3x-1) ^2 = 7

    3x-1 = square root of 7

    3x = square root of 7 - 1

    x = (square root of 7 - 1) / 3
  2. 8 September, 20:13
    0
    27x^2-3=21

    27x^2=24

    the answer is 27x^s=24

    that is my work up there
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