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3t^2=2t-18
We move all terms to the left:
3t^2-(2t-18)=0
We get rid of parentheses
3t^2-2t+18=0
a = 3; b = -2; c = +18;
Δ = b2-4ac
Δ = -22-4·3·18
Δ = -212
Delta is less than zero, so there is no solution for the equation
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