O=3t^2-14t+21

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Solution for O=3t^2-14t+21 equation: 



=3O^2-14O+21

We move all terms to the left:

-(3O^2-14O+21)=0

We get rid of parentheses

-3O^2+14O-21=0

a = -3; b = 14; c = -21;
Δ = b2-4ac
Δ = 142-4·(-3)·(-21)
Δ = -56
Delta is less than zero, so there is no solution for the equation

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