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y2-100y+2800=0
We add all the numbers together, and all the variables
y^2-100y+2800=0
a = 1; b = -100; c = +2800;
Δ = b2-4ac
Δ = -1002-4·1·2800
Δ = -1200
Delta is less than zero, so there is no solution for the equation
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