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v^2=-80
We move all terms to the left:
v^2-(-80)=0
We add all the numbers together, and all the variables
v^2+80=0
a = 1; b = 0; c = +80;
Δ = b2-4ac
Δ = 02-4·1·80
Δ = -320
Delta is less than zero, so there is no solution for the equation
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