3r^2+12r+13=0

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Solution for 3r^2+12r+13=0 equation: 



3r^2+12r+13=0

a = 3; b = 12; c = +13;
Δ = b2-4ac
Δ = 122-4·3·13
Δ = -12
Delta is less than zero, so there is no solution for the equation

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