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(40/x)+1.05x=0.7
We move all terms to the left:
(40/x)+1.05x-(0.7)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
(+40/x)+1.05x-(0.7)=0
We add all the numbers together, and all the variables
1.05x+(+40/x)-0.7=0
We get rid of parentheses
1.05x+40/x-0.7=0
We multiply all the terms by the denominator
(1.05x)*x-(0.7)*x+40=0
We add all the numbers together, and all the variables
(+1.05x)*x-(0.7)*x+40=0
We multiply parentheses
x^2-0.7x+40=0
a = 1; b = -0.7; c = +40;
Δ = b2-4ac
Δ = -0.72-4·1·40
Δ = -159.51
Delta is less than zero, so there is no solution for the equation
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