Question

(2x3−x+1+x2 )+(x3+6x−7)+(−3x2−11+2x)

Answer 1

Answer:

2x³ - x + 1 + x² +x³ + 6x - 7 -3x² -11 +2x

= [2 + 1]x³ + [1 -3]x² +[-1 + 6 + 2]x +[1 -7 -11]

= 3x³ -2x² +7x -17 - Ans

Hope it helps!