Question

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

Answer 1

x^3-5x2+8x-11 should be added to 2x2-5x+6 to get x3-3x2+3x-5

Answer 2

the answer is x³ -5x²+8x-11

x³-3x²+3x-5 - (2x²-5x+6)

x³-3x²+3x -5 -2x²+5x-6

x³-5x²+8x -11