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=2Y^2-36Y+171
We move all terms to the left:
-(2Y^2-36Y+171)=0
We get rid of parentheses
-2Y^2+36Y-171=0
a = -2; b = 36; c = -171;
Δ = b2-4ac
Δ = 362-4·(-2)·(-171)
Δ = -72
Delta is less than zero, so there is no solution for the equation
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