anonymous
  • anonymous
2sqrt{x+2}-sqrt{x-3}=sqrt{x+9}
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
\[2\sqrt{x+2}-\sqrt{x-3}=\sqrt{x+9}\]
anonymous
  • anonymous
Square all terms. It would help
anonymous
  • anonymous
I'm still confused..

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anonymous
  • anonymous
I'm solving it... gimme a second
anonymous
  • anonymous
ok
anonymous
  • anonymous
\[2(x+2)^.5 - (x-3)^.5 = (x+9)^.5\] \[2(x+2)^.5 = (x+9)^.5 + (x-3)^.5\] \[4(x+2) = (x+9) + (x-3) + 2(x+9)^.5(x-3)^.5\] \[4x+8=2x+6 + 2(x+9)^.5 + (x-3)^.5\] x+1= (x+9)^.5(x-3)^.5
anonymous
  • anonymous
square both sides to get x=7 sry g2g
anonymous
  • anonymous
well i have to go but thanks anyways

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