6x/x+4=x-1

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Solution for 6x/x+4=x-1 equation:



6x/x+4=x-1
We move all terms to the left:
6x/x+4-(x-1)=0
Domain of the equation: x!=0
x∈R
We get rid of parentheses
6x/x-x+1+4=0
We multiply all the terms by the denominator
6x-x*x+1*x+4*x=0
We add all the numbers together, and all the variables
11x-x*x=0
Wy multiply elements
-1x^2+11x=0
a = -1; b = 11; c = 0;
Δ = b2-4ac
Δ = 112-4·(-1)·0
Δ = 121
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{121}=11$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(11)-11}{2*-1}=\frac{-22}{-2} =+11 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(11)+11}{2*-1}=\frac{0}{-2} =0 $

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