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(F)=12F+3/F
We move all terms to the left:
(F)-(12F+3/F)=0
Domain of the equation: F)!=0We add all the numbers together, and all the variables
F!=0/1
F!=0
F∈R
F-(+12F+3/F)=0
We get rid of parentheses
F-12F-3/F=0
We multiply all the terms by the denominator
F*F-12F*F-3=0
Wy multiply elements
F^2-12F^2-3=0
We add all the numbers together, and all the variables
-11F^2-3=0
a = -11; b = 0; c = -3;
Δ = b2-4ac
Δ = 02-4·(-11)·(-3)
Δ = -132
Delta is less than zero, so there is no solution for the equation
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