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3*5*k=k*k
We move all terms to the left:
3*5*k-(k*k)=0
We add all the numbers together, and all the variables
3*5*k-(+k*k)=0
Wy multiply elements
15k*k-(+k*k)=0
We get rid of parentheses
15k*k-k*k=0
Wy multiply elements
15k^2-1k^2=0
We add all the numbers together, and all the variables
14k^2=0
a = 14; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·14·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$k=\frac{-b}{2a}=\frac{0}{28}=0$
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