(-x+.5)(-x+.5)=0

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Solution for (-x+.5)(-x+.5)=0 equation: 



(-x+.5)(-x+.5)=0

We add all the numbers together, and all the variables

(-1x+0.5)(-1x+0.5)=0

We multiply parentheses ..

(+x^2-0.5x-0.5x+0.25)=0

We get rid of parentheses

x^2-0.5x-0.5x+0.25=0

We add all the numbers together, and all the variables

x^2-1x+0.25=0

a = 1; b = -1; c = +0.25;
Δ = b2-4ac
Δ = -12-4·1·0.25
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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

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