-220=6(4n-6)n

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Solution for -220=6(4n-6)n equation: 



-220=6(4n-6)n

We move all terms to the left:

-220-(6(4n-6)n)=0



We calculate terms in parentheses: -(6(4n-6)n), so:

6(4n-6)n

We multiply parentheses

24n^2-36n

Back to the equation:

-(24n^2-36n)



We get rid of parentheses

-24n^2+36n-220=0

a = -24; b = 36; c = -220;
Δ = b2-4ac
Δ = 362-4·(-24)·(-220)
Δ = -19824
Delta is less than zero, so there is no solution for the equation

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