v-6^2=2v^2-7v+42

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Solution for v-6^2=2v^2-7v+42 equation: 



v-6^2=2v^2-7v+42

We move all terms to the left:

v-6^2-(2v^2-7v+42)=0

We add all the numbers together, and all the variables

v-(2v^2-7v+42)-36=0

We get rid of parentheses

-2v^2+v+7v-42-36=0

We add all the numbers together, and all the variables

-2v^2+8v-78=0

a = -2; b = 8; c = -78;
Δ = b2-4ac
Δ = 82-4·(-2)·(-78)
Δ = -560
Delta is less than zero, so there is no solution for the equation

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