Question

What's the answer to this equation?

Answer 1

x^2-2x+2 is the same as 1x^2-2x+2

1x^2-2x+2 = 0 is in the form ax^2+bx+c = 0 where
a = 1
b = -2
c = 2

Plug these a,b,c values into the discriminant formula below
D = b^2 - 4ac
D = (-2)^2 - 4*(1)*(2)
D = -4

The final answer is -4