-3=x2-2x

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Solution for -3=x2-2x equation: 



-3=x2-2x

We move all terms to the left:

-3-(x2-2x)=0

We add all the numbers together, and all the variables

-(+x^2-2x)-3=0

We get rid of parentheses

-x^2+2x-3=0

We add all the numbers together, and all the variables

-1x^2+2x-3=0

a = -1; b = 2; c = -3;
Δ = b2-4ac
Δ = 22-4·(-1)·(-3)
Δ = -8
Delta is less than zero, so there is no solution for the equation

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