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(48/x)+2x=22
We move all terms to the left:
(48/x)+2x-(22)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
(+48/x)+2x-22=0
We add all the numbers together, and all the variables
2x+(+48/x)-22=0
We get rid of parentheses
2x+48/x-22=0
We multiply all the terms by the denominator
2x*x-22*x+48=0
We add all the numbers together, and all the variables
-22x+2x*x+48=0
Wy multiply elements
2x^2-22x+48=0
a = 2; b = -22; c = +48;
Δ = b2-4ac
Δ = -222-4·2·48
Δ = 100
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{100}=10$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-22)-10}{2*2}=\frac{12}{4} =3 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-22)+10}{2*2}=\frac{32}{4} =8 $
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