x(2)=-2

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Solution for x(2)=-2 equation: 



x(2)=-2

We move all terms to the left:

x(2)-(-2)=0

We add all the numbers together, and all the variables

x^2+2=0

a = 1; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·1·2
Δ = -8
Delta is less than zero, so there is no solution for the equation

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