Factorise 4Y^2 -12 Y +9
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4
4y² - 12y + 9 = 0
=> 4y² - 6y - 6y + 9 = 0
=> 2y(2y - 3) - 3(2y - 3) = 0
=> (2y - 3) (2y - 3) = 0
=> y = 3/2, 3/2
#BAL#answerwithquality
Answered by
1
Answer:
By identity,
=(2y)^2- ×2×2y×3-(3)^2
=(2y-3)^2
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