7n^2-5n+1=-n-2n^2-4

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Solution for 7n^2-5n+1=-n-2n^2-4 equation: 



7n^2-5n+1=-n-2n^2-4

We move all terms to the left:

7n^2-5n+1-(-n-2n^2-4)=0

We get rid of parentheses

7n^2+2n^2+n-5n+4+1=0

We add all the numbers together, and all the variables

9n^2-4n+5=0

a = 9; b = -4; c = +5;
Δ = b2-4ac
Δ = -42-4·9·5
Δ = -164
Delta is less than zero, so there is no solution for the equation

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