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anonymous

  • 5 years ago

2sqrt{x+2}-sqrt{x-3}=sqrt{x+9}

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  1. anonymous
    • 5 years ago
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    \[2\sqrt{x+2}-\sqrt{x-3}=\sqrt{x+9}\]

  2. anonymous
    • 5 years ago
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    Square all terms. It would help

  3. anonymous
    • 5 years ago
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    I'm still confused..

  4. anonymous
    • 5 years ago
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    I'm solving it... gimme a second

  5. anonymous
    • 5 years ago
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    ok

  6. anonymous
    • 5 years ago
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    \[2(x+2)^.5 - (x-3)^.5 = (x+9)^.5\] \[2(x+2)^.5 = (x+9)^.5 + (x-3)^.5\] \[4(x+2) = (x+9) + (x-3) + 2(x+9)^.5(x-3)^.5\] \[4x+8=2x+6 + 2(x+9)^.5 + (x-3)^.5\] x+1= (x+9)^.5(x-3)^.5

  7. anonymous
    • 5 years ago
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    square both sides to get x=7 sry g2g

  8. anonymous
    • 5 years ago
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    well i have to go but thanks anyways

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spraguer (Moderator)
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