√(2x+3) - √(x+1) = 1

I know the answers are that x= -1, and 3, but I don't know how tf you get 3 because I only get -1. Pls help lol 💀

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Pseudonym · 26-30, M

Well, I turned up late to the party it seems. Locked had your back though, good man*. If you want to get better at this kind of stuff (for fun I might add 😁...), download Brilliant. It's an awesome problem solving platform. I use it almost everyday!

Edit: *or lady!