X(x+1)=-13

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Solution for X(x+1)=-13 equation: 



X(X+1)=-13

We move all terms to the left:

X(X+1)-(-13)=0

We add all the numbers together, and all the variables

X(X+1)+13=0

We multiply parentheses

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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