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=19.5Y^2+65-5
We move all terms to the left:
-(19.5Y^2+65-5)=0
We get rid of parentheses
-19.5Y^2-65+5=0
We add all the numbers together, and all the variables
-19.5Y^2-60=0
a = -19.5; b = 0; c = -60;
Δ = b2-4ac
Δ = 02-4·(-19.5)·(-60)
Δ = -4680
Delta is less than zero, so there is no solution for the equation
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