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(10x)^2=100x^2
We move all terms to the left:
(10x)^2-(100x^2)=0
We add all the numbers together, and all the variables
-90x^2=0
a = -90; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-90)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{-180}=0$
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