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4x+2/x+4=x-9/x+9
We move all terms to the left:
4x+2/x+4-(x-9/x+9)=0
Domain of the equation: x!=0
x∈R
Domain of the equation: x+9)!=0We get rid of parentheses
x∈R
4x+2/x-x+9/x-9+4=0
We multiply all the terms by the denominator
4x*x-x*x-9*x+4*x+2+9=0
We add all the numbers together, and all the variables
-5x+4x*x-x*x+11=0
Wy multiply elements
4x^2-1x^2-5x+11=0
We add all the numbers together, and all the variables
3x^2-5x+11=0
a = 3; b = -5; c = +11;
Δ = b2-4ac
Δ = -52-4·3·11
Δ = -107
Delta is less than zero, so there is no solution for the equation
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