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=120Y^2+50
We move all terms to the left:
-(120Y^2+50)=0
We get rid of parentheses
-120Y^2-50=0
a = -120; b = 0; c = -50;
Δ = b2-4ac
Δ = 02-4·(-120)·(-50)
Δ = -24000
Delta is less than zero, so there is no solution for the equation
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