3n^2+6n+5=-7

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Solution for 3n^2+6n+5=-7 equation: 



3n^2+6n+5=-7

We move all terms to the left:

3n^2+6n+5-(-7)=0

We add all the numbers together, and all the variables

3n^2+6n+12=0

a = 3; b = 6; c = +12;
Δ = b2-4ac
Δ = 62-4·3·12
Δ = -108
Delta is less than zero, so there is no solution for the equation

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