x^2=-x-13

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Solution for x^2=-x-13 equation: 



x^2=-x-13

We move all terms to the left:

x^2-(-x-13)=0

We add all the numbers together, and all the variables

x^2-(-1x-13)=0

We get rid of parentheses

x^2+1x+13=0

We add all the numbers together, and all the variables

x^2+x+13=0

a = 1; b = 1; c = +13;
Δ = b2-4ac
Δ = 12-4·1·13
Δ = -51
Delta is less than zero, so there is no solution for the equation

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