4z2+9=-4z

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Solution for 4z2+9=-4z equation: 



4z^2+9=-4z

We move all terms to the left:

4z^2+9-(-4z)=0

We get rid of parentheses

4z^2+4z+9=0

a = 4; b = 4; c = +9;
Δ = b2-4ac
Δ = 42-4·4·9
Δ = -128
Delta is less than zero, so there is no solution for the equation

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