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3a^2+6a+27=4
We move all terms to the left:
3a^2+6a+27-(4)=0
We add all the numbers together, and all the variables
3a^2+6a+23=0
a = 3; b = 6; c = +23;
Δ = b2-4ac
Δ = 62-4·3·23
Δ = -240
Delta is less than zero, so there is no solution for the equation
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