9=-4x-4x^2

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Solution for 9=-4x-4x^2 equation: 



9=-4x-4x^2

We move all terms to the left:

9-(-4x-4x^2)=0

We get rid of parentheses

4x^2+4x+9=0

a = 4; b = 4; c = +9;
Δ = b2-4ac
Δ = 42-4·4·9
Δ = -128
Delta is less than zero, so there is no solution for the equation

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