n+n(-n)=3+15

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Solution for n+n(-n)=3+15 equation: 



n+n(-n)=3+15

We move all terms to the left:

n+n(-n)-(3+15)=0

We add all the numbers together, and all the variables

n+n(-1n)-18=0

We multiply parentheses

-1n^2+n-18=0

a = -1; b = 1; c = -18;
Δ = b2-4ac
Δ = 12-4·(-1)·(-18)
Δ = -71
Delta is less than zero, so there is no solution for the equation

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