7k^2-3=-7

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Solution for 7k^2-3=-7 equation: 



7k^2-3=-7

We move all terms to the left:

7k^2-3-(-7)=0

We add all the numbers together, and all the variables

7k^2+4=0

a = 7; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·7·4
Δ = -112
Delta is less than zero, so there is no solution for the equation

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