x=-x2-2x-5

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Solution for x=-x2-2x-5 equation: 



x=-x2-2x-5

We move all terms to the left:

x-(-x2-2x-5)=0

We add all the numbers together, and all the variables

-(-1x^2-2x-5)+x=0

We get rid of parentheses

1x^2+2x+x+5=0

We add all the numbers together, and all the variables

x^2+3x+5=0

a = 1; b = 3; c = +5;
Δ = b2-4ac
Δ = 32-4·1·5
Δ = -11
Delta is less than zero, so there is no solution for the equation

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