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OpenStudy (anonymous):
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OpenStudy (anonymous):
Wrote that wrong in the original question..the picture is correct though.
OpenStudy (zpupster):
sqrt{2x + 6} - sqrt{x - 1} = 2 add sqrt{x - 1} both sides sqrt{2x + 6} = 2+ sqrt{x - 1} square both sides 2x+6 = 4 +x-1 x=? it checks so it is not extraneous
OpenStudy (anonymous):
Thanks a lot! So what is x? @zpupster
OpenStudy (anonymous):
5?
OpenStudy (anonymous):
@zpupster
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OpenStudy (zpupster):
you are welcome!
OpenStudy (zpupster):
sorry yes 5 is right
OpenStudy (anonymous):
Ahh alright thanks!
OpenStudy (zpupster):
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