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14x(x-3x)=0
We add all the numbers together, and all the variables
14x(-2x)=0
We multiply parentheses
-28x^2=0
a = -28; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-28)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{-56}=0$
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