Question

Ре­ши­те урав­не­ние (x-2)^2+(x-8)^2=2x^2

Answer 1

$x^{2} -4x+4+ x^{2} -16x+64=2 x^{2} ;$
$2 x^{2} -20x+68=2 x^{2} ;$
$20x=68;$
$x = frac{68}{20} = frac{17}{5} = 3.4$