30+z(z=5)

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Solution for 30+z(z=5) equation: 



30+z(z=5)

We move all terms to the left:

30+z(z-(5))=0

We multiply parentheses

z^2-5z+30=0

a = 1; b = -5; c = +30;
Δ = b2-4ac
Δ = -52-4·1·30
Δ = -95
Delta is less than zero, so there is no solution for the equation

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