Question 499460
factor
36x^2 -12x + 1 = 0
(6x-1)(6x-1) = 0
.
Check with FOIL
36x^2 -6x -6x +1
OK
.
x = 1/6
.
{{{graph(500,500,-2,2,-2,2,36*x*x-12*x+1)}}}