z^2+15=6

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Solution for z^2+15=6 equation: 



z^2+15=6

We move all terms to the left:

z^2+15-(6)=0

We add all the numbers together, and all the variables

z^2+9=0

a = 1; b = 0; c = +9;
Δ = b2-4ac
Δ = 02-4·1·9
Δ = -36
Delta is less than zero, so there is no solution for the equation

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