Question

What must be added to 2x 2 —5x+6 to get x 3 +3x-5 ?

Answer 1

Answer:

$-2x^{2} +x^{3} +8x-11$

Explanation:

$(2x^{2} -5x+6)+(-2x^{2} +x^{3}+8x -11)=x^{3} +3x-5$