2/x-3=2x-12

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Solution for 2/x-3=2x-12 equation:



2/x-3=2x-12
We move all terms to the left:
2/x-3-(2x-12)=0
Domain of the equation: x!=0
x∈R
We get rid of parentheses
2/x-2x+12-3=0
We multiply all the terms by the denominator
-2x*x+12*x-3*x+2=0
We add all the numbers together, and all the variables
9x-2x*x+2=0
Wy multiply elements
-2x^2+9x+2=0
a = -2; b = 9; c = +2;
Δ = b2-4ac
Δ = 92-4·(-2)·2
Δ = 97
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-\sqrt{97}}{2*-2}=\frac{-9-\sqrt{97}}{-4} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{97}}{2*-2}=\frac{-9+\sqrt{97}}{-4} $

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