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x+x*5/100)=640000
We move all terms to the left:
x+x*5/100)-(640000)=0
We multiply all the terms by the denominator
x*100)-640000+x*5=0
Wy multiply elements
500x^2=0
a = 500; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·500·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{1000}=0$
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