(2.5-2x)(2.5-2x)=0

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Solution for (2.5-2x)(2.5-2x)=0 equation: 



(2.5-2x)(2.5-2x)=0

We add all the numbers together, and all the variables

(-2x+2.5)(-2x+2.5)=0

We multiply parentheses ..

(+4x^2-5x-5x+6.25)=0

We get rid of parentheses

4x^2-5x-5x+6.25=0

We add all the numbers together, and all the variables

4x^2-10x+6.25=0

a = 4; b = -10; c = +6.25;
Δ = b2-4ac
Δ = -102-4·4·6.25
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{10}{8}=1+1/4$

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