3n^2-6=-30

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Solution for 3n^2-6=-30 equation: 



3n^2-6=-30

We move all terms to the left:

3n^2-6-(-30)=0

We add all the numbers together, and all the variables

3n^2+24=0

a = 3; b = 0; c = +24;
Δ = b2-4ac
Δ = 02-4·3·24
Δ = -288
Delta is less than zero, so there is no solution for the equation

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