X(x+4)=-40

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Solution for X(x+4)=-40 equation: 



X(X+4)=-40

We move all terms to the left:

X(X+4)-(-40)=0

We add all the numbers together, and all the variables

X(X+4)+40=0

We multiply parentheses

X^2+4X+40=0

a = 1; b = 4; c = +40;
Δ = b2-4ac
Δ = 42-4·1·40
Δ = -144
Delta is less than zero, so there is no solution for the equation

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