V=x^2-2x+20

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Solution for V=x^2-2x+20 equation: 



=V^2-2V+20

We move all terms to the left:

-(V^2-2V+20)=0

We get rid of parentheses

-V^2+2V-20=0

We add all the numbers together, and all the variables

-1V^2+2V-20=0

a = -1; b = 2; c = -20;
Δ = b2-4ac
Δ = 22-4·(-1)·(-20)
Δ = -76
Delta is less than zero, so there is no solution for the equation

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