Question

which rational expression should be added to x³-1/x²+2 to get 2x³-x²+3/x²+2 ?

Answer 1

let y be added
(x³-1/x²+2)+ y=2x³-x²+3/x²+2
y=2x³-x²+3/x²+2-(x³-1/x²+2)
y=(2x³-x²+3-x³-1)/x²+2
y=x³-x²+2/x²+2

so x³-x²+2/x²+2 should be added


hope dis help☺