-4k^2+24k-36=0

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Solution for -4k^2+24k-36=0 equation: 



-4k^2+24k-36=0

a = -4; b = 24; c = -36;
Δ = b2-4ac
Δ = 242-4·(-4)·(-36)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$k=\frac{-b}{2a}=\frac{-24}{-8}=+3$

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