Question 1115017
If x+(1/x) = 9,
multiply by x
{{{x^2 + 1 = 9x}}}
{{{x^2 = 9x - 1}}}
:
what is {{{x^2+(1/x)}}} 
replace x^2 with (9x-1)
{{{(9x-1)+ 1/x}}}
{{{9x + 1/x - 1}}}