The largest value of $x$ that satisfies $\sqrt{x+1}=x$ can be written as $\dfrac{a+\sqrt{b}}{c}$ where $c$ has no common factor with $a$ and $\sqrt{b}$ and $b$ is not divisible by the square of any integer greater than 1. What is the value of $a+b+c$?

Guest Aug 14, 2020