6z(z-2)+3=3z-15

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Solution for 6z(z-2)+3=3z-15 equation: 



6z(z-2)+3=3z-15

We move all terms to the left:

6z(z-2)+3-(3z-15)=0

We multiply parentheses

6z^2-12z-(3z-15)+3=0

We get rid of parentheses

6z^2-12z-3z+15+3=0

We add all the numbers together, and all the variables

6z^2-15z+18=0

a = 6; b = -15; c = +18;
Δ = b2-4ac
Δ = -152-4·6·18
Δ = -207
Delta is less than zero, so there is no solution for the equation

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