-2x+6=-x2

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Solution for -2x+6=-x2 equation: 



-2x+6=-x2

We move all terms to the left:

-2x+6-(-x2)=0

We add all the numbers together, and all the variables

-(-1x^2)-2x+6=0

We get rid of parentheses

1x^2-2x+6=0

We add all the numbers together, and all the variables

x^2-2x+6=0

a = 1; b = -2; c = +6;
Δ = b2-4ac
Δ = -22-4·1·6
Δ = -20
Delta is less than zero, so there is no solution for the equation

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