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2x+(400/x)=
We move all terms to the left:
2x+(400/x)-()=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
2x+(+400/x)-()=0
We add all the numbers together, and all the variables
2x+(+400/x)=0
We get rid of parentheses
2x+400/x=0
We multiply all the terms by the denominator
2x*x+400=0
Wy multiply elements
2x^2+400=0
a = 2; b = 0; c = +400;
Δ = b2-4ac
Δ = 02-4·2·400
Δ = -3200
Delta is less than zero, so there is no solution for the equation
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