Respuesta :
[tex] x^2=2x\\
x^2-2x=0\\
x^2-2x+1=1\\
\boxed{\color{red}{(x-1)^2=1}}\\
\text{Property used:}\\
\boxed {(x-a)^2=x^2-2ax+a^2}[/tex]
[tex] x^2=2x\\
x^2-2x=0\\
x^2-2x+1=1\\
\boxed{\color{red}{(x-1)^2=1}}\\
\text{Property used:}\\
\boxed {(x-a)^2=x^2-2ax+a^2}[/tex]