(-2x-1.73)(2x+1.73)=0

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Solution for (-2x-1.73)(2x+1.73)=0 equation: 



(-2x-1.73)(2x+1.73)=0

We multiply parentheses ..

(-4x^2-3.46x-3.46x-2.9929)=0

We get rid of parentheses

-4x^2-3.46x-3.46x-2.9929=0

We add all the numbers together, and all the variables

-4x^2-6.92x-2.9929=0

a = -4; b = -6.92; c = -2.9929;
Δ = b2-4ac
Δ = -6.922-4·(-4)·(-2.9929)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{6.92}{-8}=-2.3698630136986/2.7397260273973$

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