8x=-4-4x2

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Solution for 8x=-4-4x2 equation: 



8x=-4-4x^2

We move all terms to the left:

8x-(-4-4x^2)=0

We get rid of parentheses

4x^2+8x+4=0

a = 4; b = 8; c = +4;
Δ = b2-4ac
Δ = 82-4·4·4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-8}{8}=-1$

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