Question

solve:

sqrt{x+3}-3=x

Answer 1

You have \[\sqrt{x+3}-3=x\implies\sqrt{x+3}=x+3\]

Answer 2

Which numbers \(y\) exist such that \[\sqrt{y}=y?\]

Answer 3

so x=-3??

Answer 4

That's one solution. There is one other.

Answer 5

-2 ?

Answer 6

Perfect.