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10 March, 03:25

Solve the equation by the square root property. (x-5) ^2=15

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Answers (2)
  1. 10 March, 05:17
    0
    x-5=square root of 15

    x-5+5=sqrt of 15+5

    x=sqrt of 15+5

    thus, x=sqrt of 15+5 and x=sqrt of - 15+5
  2. 10 March, 05:50
    0
    5±sqrt (15)

    Step-by-step explanation:

    (x-5) ^2=15

    Take the square root of each side

    sqrt ((x-5) ^2) = ±sqrt (15)

    x-5 = ±sqrt (15)

    Add 5 to each side

    x-5 + 5 = 5±sqrt (15)

    x = 5±sqrt (15)
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