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4y^2=6y-7
We move all terms to the left:
4y^2-(6y-7)=0
We get rid of parentheses
4y^2-6y+7=0
a = 4; b = -6; c = +7;
Δ = b2-4ac
Δ = -62-4·4·7
Δ = -76
Delta is less than zero, so there is no solution for the equation
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