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144d^2-96d=-16
We move all terms to the left:
144d^2-96d-(-16)=0
We add all the numbers together, and all the variables
144d^2-96d+16=0
a = 144; b = -96; c = +16;
Δ = b2-4ac
Δ = -962-4·144·16
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$d=\frac{-b}{2a}=\frac{96}{288}=1/3$
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