x+8/2x+4=0

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Solution for x+8/2x+4=0 equation: 



x+8/2x+4=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We multiply all the terms by the denominator


x*2x+4*2x+8=0

Wy multiply elements

2x^2+8x+8=0

a = 2; b = 8; c = +8;
Δ = b2-4ac
Δ = 82-4·2·8
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-8}{4}=-2$

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