7t^2+20t+140=0

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Solution for 7t^2+20t+140=0 equation: 



7t^2+20t+140=0

a = 7; b = 20; c = +140;
Δ = b2-4ac
Δ = 202-4·7·140
Δ = -3520
Delta is less than zero, so there is no solution for the equation

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