(8-16d)(8-16d)=0

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Solution for (8-16d)(8-16d)=0 equation: 



(8-16d)(8-16d)=0

We add all the numbers together, and all the variables

(-16d+8)(-16d+8)=0

We multiply parentheses ..

(+256d^2-128d-128d+64)=0

We get rid of parentheses

256d^2-128d-128d+64=0

We add all the numbers together, and all the variables

256d^2-256d+64=0

a = 256; b = -256; c = +64;
Δ = b2-4ac
Δ = -2562-4·256·64
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$d=\frac{-b}{2a}=\frac{256}{512}=1/2$

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