I could use some help doing this simple math problem lol.

[D:k-9\geq 0 \wedge k\geq0\ D:k\geq 9 \wedge k\geq0\ D:k\geq 9\ \sqrt{k-9}-\sqrt k=-1\ \sqrt{k-9}=-1+\sqrt k\ k-9=(-1+\sqrt k)^2\ k-9=1-2\sqrt k+k\ 2\sqrt k=10\ \sqrt k =5\ k=25
]

Answered by konrad509 | 2024-06-10

Answer: k=25 ;

Answered by baseballcatcher58 | 2024-06-16