(2m-1)(2m-1)=0

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Solution for (2m-1)(2m-1)=0 equation: 



(2m-1)(2m-1)=0

We multiply parentheses ..

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

We get rid of parentheses

4m^2-2m-2m+1=0

We add all the numbers together, and all the variables

4m^2-4m+1=0

a = 4; b = -4; c = +1;
Δ = b2-4ac
Δ = -42-4·4·1
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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

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