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Mathematics 23 Online
OpenStudy (anonymous):

solve. check for extraneous solution (x+3)^1/2-1=x

OpenStudy (anonymous):

To the exponent 1? If that isn't an error, that's so unnecessary.

OpenStudy (anonymous):

so the answer is 1

OpenStudy (anonymous):

I was just asking if that is supposed to be ^1 and not ^2 or something else.

OpenStudy (anonymous):

it ^1/2

OpenStudy (anonymous):

Ahh, okay. :D

OpenStudy (tkhunny):

First, very first, write down x+3 >= 0 or x >= -3. THEN you can worry about the square root.

OpenStudy (anonymous):

okay so what s next

OpenStudy (anonymous):

Algebra.

OpenStudy (anonymous):

^^

OpenStudy (tkhunny):

You tell me. How do you resolve a square root?

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