Question 206640

simplify {{{x^(-1)+2/x+2x^2}}} 


{{{x^(-1)+2/x+2x^2}}} ------> {{{1/x^1+2/x+2x^2}}} ------> {{{(1+2+2x^3)/x}}}------> {{{(3+2x^3)/x}}} ------> {{{highlight_green(3/x+2x^2)}}}