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(4x)^2=16x^2
We move all terms to the left:
(4x)^2-(16x^2)=0
We add all the numbers together, and all the variables
-12x^2=0
a = -12; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-12)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{-24}=0$
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