Question 971539
X^2-6x+2=0

Quadratic formula 
A=1
B=-6
C=2

X=(-b+/- sqrt (b^2-4ac)/2a)

X= (6+/-  sqrt (36-8))/2.    Sqrt(28)=2 sqrt(7)

X=3+/-sqrt 7
3+ sqrt 7
3- sqrt 7

{{{graph(300,300,-10,10,-10,10,x^2-6x+2)}}}