z-20-z2=0

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Solution for z-20-z2=0 equation: 



z-20-z2=0

We add all the numbers together, and all the variables

-1z^2+z-20=0

a = -1; b = 1; c = -20;
Δ = b2-4ac
Δ = 12-4·(-1)·(-20)
Δ = -79
Delta is less than zero, so there is no solution for the equation

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