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-2t^2-t-28=0
We add all the numbers together, and all the variables
-2t^2-1t-28=0
a = -2; b = -1; c = -28;
Δ = b2-4ac
Δ = -12-4·(-2)·(-28)
Δ = -223
Delta is less than zero, so there is no solution for the equation
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