Question

Which is an extraneous solution of the exponent x+sqrtx=6

Answer 1

First, we can simplify it down.
x = (-x + 6)^2
Then, you should have x - (
`x^(2)` - 12x + 36).
Factor it to get x = 4 or 9. 4 works in the original equation but 9 does not.