5n^2+10n=-20

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Solution for 5n^2+10n=-20 equation: 



5n^2+10n=-20

We move all terms to the left:

5n^2+10n-(-20)=0

We add all the numbers together, and all the variables

5n^2+10n+20=0

a = 5; b = 10; c = +20;
Δ = b2-4ac
Δ = 102-4·5·20
Δ = -300
Delta is less than zero, so there is no solution for the equation

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