(X2+-2x+1)+-4=0

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Solution for (X2+-2x+1)+-4=0 equation: 



(X2+-2X+1)+-4=0

We add all the numbers together, and all the variables

(+X^2-2X++1)-4+=0

We add all the numbers together, and all the variables

(+X^2-2X++1)=0

We use the square of the difference formula

(+X^2-2X+1)=0

We get rid of parentheses

X^2-2X+1=0

a = 1; b = -2; c = +1;
Δ = b2-4ac
Δ = -22-4·1·1
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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

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