z^2+4z=-5

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Solution for z^2+4z=-5 equation: 



z^2+4z=-5

We move all terms to the left:

z^2+4z-(-5)=0

We add all the numbers together, and all the variables

z^2+4z+5=0

a = 1; b = 4; c = +5;
Δ = b2-4ac
Δ = 42-4·1·5
Δ = -4
Delta is less than zero, so there is no solution for the equation

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