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=-16Y^2+32Y-20
We move all terms to the left:
-(-16Y^2+32Y-20)=0
We get rid of parentheses
16Y^2-32Y+20=0
a = 16; b = -32; c = +20;
Δ = b2-4ac
Δ = -322-4·16·20
Δ = -256
Delta is less than zero, so there is no solution for the equation
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