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3000/x+85+0.3x=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
0.3x+3000/x+85=0
We multiply all the terms by the denominator
(0.3x)*x+85*x+3000=0
We add all the numbers together, and all the variables
(+0.3x)*x+85*x+3000=0
We add all the numbers together, and all the variables
85x+(+0.3x)*x+3000=0
We multiply parentheses
0x^2+85x+3000=0
We add all the numbers together, and all the variables
x^2+85x+3000=0
a = 1; b = 85; c = +3000;
Δ = b2-4ac
Δ = 852-4·1·3000
Δ = -4775
Delta is less than zero, so there is no solution for the equation
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