Respuesta :

[tex]x^2-2x+10=0\\\\ (x^2-2x+1)-1+10=0\\\\(x-1)^2+9=0\\\\ (x-1)^2=-9[/tex]

Answer D
hello :
x²- 2x+10 = 0
(x²-2x+1) -1 +10
(x-1)² +9 = 0
(x-1)² = -9 ... .(no real solution because : (x-1)²  ≥ 0 )