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52-4x=169/x
We move all terms to the left:
52-4x-(169/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-4x-(+169/x)+52=0
We get rid of parentheses
-4x-169/x+52=0
We multiply all the terms by the denominator
-4x*x+52*x-169=0
We add all the numbers together, and all the variables
52x-4x*x-169=0
Wy multiply elements
-4x^2+52x-169=0
a = -4; b = 52; c = -169;
Δ = b2-4ac
Δ = 522-4·(-4)·(-169)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{-52}{-8}=6+1/2$
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