0.004=-x^2-1.6x-0.8

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Solution for 0.004=-x^2-1.6x-0.8 equation: 



0.004=-x^2-1.6x-0.8

We move all terms to the left:

0.004-(-x^2-1.6x-0.8)=0

We get rid of parentheses

x^2+1.6x+0.8+0.004=0

We add all the numbers together, and all the variables

x^2+1.6x+0.804=0

a = 1; b = 1.6; c = +0.804;
Δ = b2-4ac
Δ = 1.62-4·1·0.804
Δ = -0.656
Delta is less than zero, so there is no solution for the equation

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