Question 1158297
{{{graph(300,300,-10,10,-100,100,2x^2-8x+8,5(x-2)^2+4)}}}
No solutions

2x^2-8x+8=2(x^2-4x+4)=2(x-2)^2
this is not equal at any place to 5(x-2)^2+4
you get 3x^2-12x+16=0
that has a discriminant of -48.