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(F)=(7F-22)/4
We move all terms to the left:
(F)-((7F-22)/4)=0
We multiply all the terms by the denominator
F*4)-((7F-22)=0
Wy multiply elements
4F^2=0
a = 4; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·4·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$F=\frac{-b}{2a}=\frac{0}{8}=0$
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