Respuesta :
0=-x2+4x-2
+x2-4x+2=+x2-4x+2
___________________
x2-4x+2=0
(-4)^2-4(1)(2)
16-8
Final Answer: 8
+x2-4x+2=+x2-4x+2
___________________
x2-4x+2=0
(-4)^2-4(1)(2)
16-8
Final Answer: 8