My friend is helping his friend with math when they came to this question. They called me asking for help and I stumped. I subtracted 2 to the other side and then tried to expand. I am at a loss on what to do next.
Hi, please also read the rules. I am asking for help on what the next step is if I'm even going in the right direction. Please point out where I said anything about someone doing it for me? Please familiarize yourself with the rules! Thanks :)
Well... remove the square roots, they're the major stumbling block here. Square both sides:
Clean it out.
Hm... square again? :D
Now, use the quadratic formula:
Now, if you tried reinserting the negative value of x in the original equation, you'll get about -0.5, so this solution is rejected and the only solution is: