Question

How do I check if this solution is extraneous? Please help. sqrt{2x+6}-sqrt{x-1}=2

Answer 1

\[\sqrt{2x+6}-\sqrt{x-1}=2\]

Answer 2

Since it's the second time you ask this kind of questions, I'm gonna send you a video to help you:
http://www.youtube.com/watch?v=711pdW8TbbY

Answer 3

Have you tried solving it? :)

Answer 4

OS values the learning process rather than the answer. Please work out the solution by yourself and we will guide you.

Answer 5

Is \(2x+6 \ge 0\)?
Is \(x-1 \ge 0\)?