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(3x+7/x+2)+x=3
We move all terms to the left:
(3x+7/x+2)+x-(3)=0
Domain of the equation: x+2)!=0We add all the numbers together, and all the variables
x∈R
x+(3x+7/x+2)-3=0
We get rid of parentheses
x+3x+7/x+2-3=0
We multiply all the terms by the denominator
x*x+3x*x+2*x-3*x+7=0
We add all the numbers together, and all the variables
-1x+x*x+3x*x+7=0
Wy multiply elements
x^2+3x^2-1x+7=0
We add all the numbers together, and all the variables
4x^2-1x+7=0
a = 4; b = -1; c = +7;
Δ = b2-4ac
Δ = -12-4·4·7
Δ = -111
Delta is less than zero, so there is no solution for the equation
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