(X/2x+1)+(2x+1/x)=58/21 solve it by quadratic formula
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X2+2x+1+4x/2x2+x=58/28
X2+6x+1/2x2+x=58/28
(x2+6x+1)(28)=(58)(2x2+x)
Now you slove
X2+6x+1/2x2+x=58/28
(x2+6x+1)(28)=(58)(2x2+x)
Now you slove
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