Question 329786
(x-1)^2+49=0
..
x^2-2x+1+49=0
x^2-2x+50=0
Using the quadriatic formula 
we find the roots x1,x2.
a=1, b=-2,c=50
x1=(2+sqrt(4-200))/2
{{{x1=1+sqrt(-196)}}}

{{{x2= 1-sqrt(-196)}}}
They are complex roots