H(x)=-x^2-4

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Solution for H(x)=-x^2-4 equation: 



(H)=-H^2-4

We move all terms to the left:

(H)-(-H^2-4)=0

We get rid of parentheses

H^2+H+4=0

a = 1; b = 1; c = +4;
Δ = b2-4ac
Δ = 12-4·1·4
Δ = -15
Delta is less than zero, so there is no solution for the equation

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