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=-2Y^2-8Y-11
We move all terms to the left:
-(-2Y^2-8Y-11)=0
We get rid of parentheses
2Y^2+8Y+11=0
a = 2; b = 8; c = +11;
Δ = b2-4ac
Δ = 82-4·2·11
Δ = -24
Delta is less than zero, so there is no solution for the equation
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