10^2+z^2=20

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Solution for 10^2+z^2=20 equation: 



10^2+z^2=20

We move all terms to the left:

10^2+z^2-(20)=0

determiningTheFunctionDomain
z^2-20+10^2=0

We add all the numbers together, and all the variables

z^2+80=0

a = 1; b = 0; c = +80;
Δ = b2-4ac
Δ = 02-4·1·80
Δ = -320
Delta is less than zero, so there is no solution for the equation

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