7n^2+8n=-5

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Solution for 7n^2+8n=-5 equation: 



7n^2+8n=-5

We move all terms to the left:

7n^2+8n-(-5)=0

We add all the numbers together, and all the variables

7n^2+8n+5=0

a = 7; b = 8; c = +5;
Δ = b2-4ac
Δ = 82-4·7·5
Δ = -76
Delta is less than zero, so there is no solution for the equation

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