Y=4x2-8x+9

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Solution for Y=4x2-8x+9 equation: 



=4Y^2-8Y+9

We move all terms to the left:

-(4Y^2-8Y+9)=0

We get rid of parentheses

-4Y^2+8Y-9=0

a = -4; b = 8; c = -9;
Δ = b2-4ac
Δ = 82-4·(-4)·(-9)
Δ = -80
Delta is less than zero, so there is no solution for the equation

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