7n2+8=-9n

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Solution for 7n2+8=-9n equation: 



7n^2+8=-9n

We move all terms to the left:

7n^2+8-(-9n)=0

We get rid of parentheses

7n^2+9n+8=0

a = 7; b = 9; c = +8;
Δ = b2-4ac
Δ = 92-4·7·8
Δ = -143
Delta is less than zero, so there is no solution for the equation

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