c^2=81c2=81

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Solution for c^2=81c2=81 equation: 



c^2=81c^2=81

We move all terms to the left:

c^2-(81c^2)=0

We add all the numbers together, and all the variables

-80c^2=0

a = -80; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-80)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$c=\frac{-b}{2a}=\frac{0}{-160}=0$

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