-3v2-21=-4v-4v

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Solution for -3v2-21=-4v-4v equation: 



-3v^2-21=-4v-4v

We move all terms to the left:

-3v^2-21-(-4v-4v)=0

We add all the numbers together, and all the variables

-3v^2-(-8v)-21=0

We get rid of parentheses

-3v^2+8v-21=0

a = -3; b = 8; c = -21;
Δ = b2-4ac
Δ = 82-4·(-3)·(-21)
Δ = -188
Delta is less than zero, so there is no solution for the equation

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