Y^2=4y-9

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Solution for Y^2=4y-9 equation: 



^2=4Y-9

We move all terms to the left:

^2-(4Y-9)=0

We add all the numbers together, and all the variables

-(4Y-9)=0

We get rid of parentheses

-4Y+9=0

We move all terms containing Y to the left, all other terms to the right

-4Y=-9

Y=-9/-4

Y=2+1/4

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