Question

if A=x2-x+1,B=x3-5x+2and C=x3-3x2-4x find (a) A+B+C (b) A-B-C (c) A+B-C​

Answer 1

Answer:

a. 2x³-2x²-10x+3

b.4x²-2x³+8x-1

c.4x²-2x+3

Answer 2

a) A+B+C=2x3-2x2-10x+3

b)A-B-C=-2x3+ 4x2 +8x-I

c) A+B-C=4x2-2x +3