(2x-11)(2x-11)=0

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Solution for (2x-11)(2x-11)=0 equation: 



(2x-11)(2x-11)=0

We multiply parentheses ..

(+4x^2-22x-22x+121)=0

We get rid of parentheses

4x^2-22x-22x+121=0

We add all the numbers together, and all the variables

4x^2-44x+121=0

a = 4; b = -44; c = +121;
Δ = b2-4ac
Δ = -442-4·4·121
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{44}{8}=5+1/2$

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