17=5-z2

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Solution for 17=5-z2 equation: 



17=5-z2

We move all terms to the left:

17-(5-z2)=0

We add all the numbers together, and all the variables

-(-1z^2+5)+17=0

We get rid of parentheses

1z^2-5+17=0

We add all the numbers together, and all the variables

z^2+12=0

a = 1; b = 0; c = +12;
Δ = b2-4ac
Δ = 02-4·1·12
Δ = -48
Delta is less than zero, so there is no solution for the equation

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