y=(2/y-1)^2

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Solution for y=(2/y-1)^2 equation: 



y=(2/y-1)^2

We move all terms to the left:

y-((2/y-1)^2)=0



Domain of the equation: y-1)^2)!=0

y∈R



We multiply all the terms by the denominator


y*y-1)^2)-((2=0

We add all the numbers together, and all the variables

y*y=0

Wy multiply elements

y^2=0

a = 1; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·1·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$y=\frac{-b}{2a}=\frac{0}{2}=0$

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