Question

x-sqrt 10x-25=0

Answer 1

\[x=\sqrt{10x-25}\]
\[x^2=10x-25\]
\[x^2-10x+25=0\]
\[(x-5)^2=0\]
\[x=5\]

Answer 2

check is
\[5-\sqrt{50-25}=0\]
\[5-\sqrt{25}=0\]
\[5-5=0\]