k^2+64=16k

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Solution for k^2+64=16k equation: 



k^2+64=16k

We move all terms to the left:

k^2+64-(16k)=0

a = 1; b = -16; c = +64;
Δ = b2-4ac
Δ = -162-4·1·64
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$k=\frac{-b}{2a}=\frac{16}{2}=8$

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