7n^2+5n=-2

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



7n^2+5n=-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

7n^2+5n+2=0

a = 7; b = 5; c = +2;
Δ = b2-4ac
Δ = 52-4·7·2
Δ = -31
Delta is less than zero, so there is no solution for the equation

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