7v^2-4=-8

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Solution for 7v^2-4=-8 equation: 



7v^2-4=-8

We move all terms to the left:

7v^2-4-(-8)=0

We add all the numbers together, and all the variables

7v^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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