SWAG
  • SWAG
Please Help Asap
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  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
SWAG
  • SWAG
Alienium
  • Alienium
x-5=16 x=21 x=sqrt(21)
SWAG
  • SWAG
A & B are both 21 but I don't understand what it means at the end

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More answers

Alienium
  • Alienium
me too
anonymous
  • anonymous
you do realize this is in the wrong subject right @SWAG?
SWAG
  • SWAG
I just realized -_____________________-
Luigi0210
  • Luigi0210
Nice job man
SWAG
  • SWAG
Can anyone finish helping me though
Luigi0210
  • Luigi0210
An extraneous solution is a solution that doesn't work btw it's not sqrt{21}
Luigi0210
  • Luigi0210
It's just 21
Zale101
  • Zale101
\[\sqrt{x+2}=11\] \[\sqrt{x}=9\] \[x=81\]
Zale101
  • Zale101
think it's 81 , not 21
Zale101
  • Zale101
oh i subtracted 2 from both sides
Luigi0210
  • Luigi0210
uh, what zale? You doubting my math skills?
Jamierox4ev3r
  • Jamierox4ev3r
^
Zale101
  • Zale101
i think so @Luigi0210 :-)
Zale101
  • Zale101
like luigi said, an extraneous solution is the solution that doesn't work. For example, if u come up with an answer where u can't divide by zero, the solution is extraneous.But the answer to your question is not extraneous, it's a solution.

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