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farmergirl411

Solve for x (x-2)^-4=625

  • one year ago
  • one year ago

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  1. cluo
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    Do you know of x^-2 = 1/(x^2)?

    • one year ago
  2. farmergirl411
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    no I think the answer is x=7 is that correct

    • one year ago
  3. geerky42
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    \((x-2)^4 =\dfrac{1}{625}\) \(\sqrt[4]{(x-2)^4} = \sqrt[4]{\dfrac{1}{625}}\) \(|x-2| = \dfrac{1}{\sqrt[4]{625}} = \dfrac{1}{5}\) \(|x-2| = \dfrac{1}{5}\)

    • one year ago
  4. geerky42
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    There are two answers.

    • one year ago
  5. geerky42
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    x= 7 is not correct.

    • one year ago
  6. farmergirl411
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    Ok I have math processong errors when you gave me thAt first reply and how do you get two solutions

    • one year ago
  7. geerky42
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    Look at last step. There is absolute value.

    • one year ago
  8. geerky42
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    Do you know how to get rid of absolute value?

    • one year ago
  9. farmergirl411
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    I can't see your last step because it all says math processing error

    • one year ago
  10. geerky42
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    • one year ago
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  11. farmergirl411
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    So then does x=.5 and x=-2 is that what you are meaning what the answers are

    • one year ago
  12. farmergirl411
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    Is that what you are meaing

    • one year ago
  13. farmergirl411
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    Can someone tell me if x=-2 and x=.2 are the answers to this problem

    • one year ago
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