-9n(n-2)+3n=24

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Solution for -9n(n-2)+3n=24 equation: 



-9n(n-2)+3n=24

We move all terms to the left:

-9n(n-2)+3n-(24)=0

We add all the numbers together, and all the variables

3n-9n(n-2)-24=0

We multiply parentheses

-9n^2+3n+18n-24=0

We add all the numbers together, and all the variables

-9n^2+21n-24=0

a = -9; b = 21; c = -24;
Δ = b2-4ac
Δ = 212-4·(-9)·(-24)
Δ = -423
Delta is less than zero, so there is no solution for the equation

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