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anonymous

  • 5 years ago

Hello I am Andy and I am studying for a final tomorrow, I am having trouble on the following question: √(x+7)+√(x)=3 Not looking for the answer, but the process rather, steps etc thank you very much!

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  1. anonymous
    • 5 years ago
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    just square both sides and solve for x

  2. anonymous
    • 5 years ago
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    No that does not work. http://www.wolframalpha.com/input/?i=%28%28x%2B7%29^%281%2F2%29+%2B+x^%281%2F2%29%29^2

  3. anonymous
    • 5 years ago
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    hmm any ideas?

  4. anonymous
    • 5 years ago
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    Think of it like this in terms of exponentiation: (x+7)^(1/2)+x^(1/2) = 3

  5. anonymous
    • 5 years ago
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    im still confused, can someone please show the steps? would i square both sides or what

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