3x-9=-30/x

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Solution for 3x-9=-30/x equation:



3x-9=-30/x
We move all terms to the left:
3x-9-(-30/x)=0
Domain of the equation: x)!=0
x!=0/1
x!=0
x∈R
We get rid of parentheses
3x+30/x-9=0
We multiply all the terms by the denominator
3x*x-9*x+30=0
We add all the numbers together, and all the variables
-9x+3x*x+30=0
Wy multiply elements
3x^2-9x+30=0
a = 3; b = -9; c = +30;
Δ = b2-4ac
Δ = -92-4·3·30
Δ = -279
Delta is less than zero, so there is no solution for the equation

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