-3x-22=-25/x

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Solution for -3x-22=-25/x equation:



-3x-22=-25/x
We move all terms to the left:
-3x-22-(-25/x)=0
Domain of the equation: x)!=0
x!=0/1
x!=0
x∈R
We get rid of parentheses
-3x+25/x-22=0
We multiply all the terms by the denominator
-3x*x-22*x+25=0
We add all the numbers together, and all the variables
-22x-3x*x+25=0
Wy multiply elements
-3x^2-22x+25=0
a = -3; b = -22; c = +25;
Δ = b2-4ac
Δ = -222-4·(-3)·25
Δ = 784
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{784}=28$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-22)-28}{2*-3}=\frac{-6}{-6} =1 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-22)+28}{2*-3}=\frac{50}{-6} =-8+1/3 $

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