Question

9y²-12y+2=0
square method​

Answer 1

Answer:

Step-by-step explanation:

9y² - 12y + 2 = 0

(3y)² - 2(3y)(2) + 2² - 2² + 2 = 0

(3y - 2)² - 4 + 2 = 0

(3y - 2)² = 2

(3y - 2) = √2

taking (+ve)

3y = √2 + 2

y = (√2 + 2)/3

taking (-ve)

3y = -√2 + 2

y = (2 - √2)/2