Answer:
y = 1/3
Step-by-step explanation:
Step 1: Factor
9y^2 - 6y + 1 = 0
(3y - 1)(3y - 1) = 0
(3y - 1)^2 = 0
Step 2: Solve for y
3y - 1 + 1 = 0 + 1
3y / 3 = 1 / 3
Answer: y = 1/3
