2r2-7r+20=0

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Solution for 2r2-7r+20=0 equation: 



2r^2-7r+20=0

a = 2; b = -7; c = +20;
Δ = b2-4ac
Δ = -72-4·2·20
Δ = -111
Delta is less than zero, so there is no solution for the equation

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