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r/60=(40/(50)
We move all terms to the left:
r/60-((40/(50))=0
We add all the numbers together, and all the variables
r/60-((+40/50)=0
We calculate fractions
50r^2/()+()/()=0
We add all the numbers together, and all the variables
50r^2/()+1=0
We multiply all the terms by the denominator
50r^2+1*()=0
We add all the numbers together, and all the variables
50r^2=0
a = 50; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·50·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$r=\frac{-b}{2a}=\frac{0}{100}=0$
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