Question

solue by completing square method 4y² + 7 = 12y.​

Answer 1

y=1/2 or 7/2

Step-by-step explanation:

4y²+7=12y

or, 4y²-12y+7=0

or, 4y²+2y-14y+7=0

or, 2y(2y-1)-7(2y-1)=0

so, (2y-1)(2y-7)=0

so, 2y-1=0 ; 2y-7=0

or, 2y=1. ;. 2y=7

or, y=1/2. ;. y= 7/2

@ns: y= 1/2 or, 7/2