16x2+16x=-4

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Solution for 16x2+16x=-4 equation: 



16x^2+16x=-4

We move all terms to the left:

16x^2+16x-(-4)=0

We add all the numbers together, and all the variables

16x^2+16x+4=0

a = 16; b = 16; c = +4;
Δ = b2-4ac
Δ = 162-4·16·4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-16}{32}=-1/2$

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