z(z-10)=-31

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Solution for z(z-10)=-31 equation: 



z(z-10)=-31

We move all terms to the left:

z(z-10)-(-31)=0

We add all the numbers together, and all the variables

z(z-10)+31=0

We multiply parentheses

z^2-10z+31=0

a = 1; b = -10; c = +31;
Δ = b2-4ac
Δ = -102-4·1·31
Δ = -24
Delta is less than zero, so there is no solution for the equation

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