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100x^2+2000x+10000=0
a = 100; b = 2000; c = +10000;
Δ = b2-4ac
Δ = 20002-4·100·10000
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{-2000}{200}=-10$
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