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3x^2+7x+9=3
We move all terms to the left:
3x^2+7x+9-(3)=0
We add all the numbers together, and all the variables
3x^2+7x+6=0
a = 3; b = 7; c = +6;
Δ = b2-4ac
Δ = 72-4·3·6
Δ = -23
Delta is less than zero, so there is no solution for the equation
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