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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4n^2-4n+9=0

a = 4; b = -4; c = +9;
Δ = b2-4ac
Δ = -42-4·4·9
Δ = -128
Delta is less than zero, so there is no solution for the equation

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