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6f^2-9=
We move all terms to the left:
6f^2-9-()=0
We add all the numbers together, and all the variables
6f^2=0
a = 6; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·6·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$f=\frac{-b}{2a}=\frac{0}{12}=0$
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