n(7n+10)=-5

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Solution for n(7n+10)=-5 equation: 



n(7n+10)=-5

We move all terms to the left:

n(7n+10)-(-5)=0

We add all the numbers together, and all the variables

n(7n+10)+5=0

We multiply parentheses

7n^2+10n+5=0

a = 7; b = 10; c = +5;
Δ = b2-4ac
Δ = 102-4·7·5
Δ = -40
Delta is less than zero, so there is no solution for the equation

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