If x+( 1/x)=3, divide by (x? +1)/x=3, which means x? +1=3x, which means x? -3x+ 1=0

Then according to the formula x =(-b b, the number of soil roots? X of -4ac)/2a = (3 under-3 radical? -4)/2 = (radical number 5 of-3)/2