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31 March, 21:30

Solve the quadratic equation: 2 (x-3) ^2-24-0

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Answers (1)
  1. 1 April, 00:14
    0
    x=3+2*sqrt (3)

    x=3-2*sqrt (3)

    Step-by-step explanation:

    2 (x-3) ²-24=0

    2 (x-3) ²=24

    (x-3) ²=12

    Case 1:

    x-3=sqrt (12) = 2*sqrt (3)

    x=3+2*sqrt (3)

    Case 2:

    x-3=-sqrt (12) = -2*sqrt (3)

    x=3-2*sqrt (3)
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