-4v+8=-7v2

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Solution for -4v+8=-7v2 equation: 



-4v+8=-7v^2

We move all terms to the left:

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

We get rid of parentheses

7v^2-4v+8=0

a = 7; b = -4; c = +8;
Δ = b2-4ac
Δ = -42-4·7·8
Δ = -208
Delta is less than zero, so there is no solution for the equation

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