2z^2+2z+9=0.

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Solution for 2z^2+2z+9=0. equation: 



2z^2+2z+9=0.

a = 2; b = 2; c = +9;
Δ = b2-4ac
Δ = 22-4·2·9
Δ = -68
Delta is less than zero, so there is no solution for the equation

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