15. (a2- b2) c + (b2 - c2)a
16. a3 - a2 - ab + a + b - 1
17. ab(c2 + d2) - a²cd-b2cd
18. 2ab2 - aby + 2cby, - c
y2
19. ax + 2bx + 3cx - 3a - 6b-9c
20. 2ab2c-2a + 3b3c-3b - 4b2c2 + 4C
Answers
Answered by
1
Answer:
2ab2 - aby + 2cby, - cy… ... ( a2- b2) c + (b2 - c2)a 16. a3 - a2 - ab + a + b - 1 17. ab(c2 + d2) - a²cd-b2cd ... aby + 2cby, - c y2 19. ax + 2bx + 3cx - 3a - 6b-9c 20. 2ab2c-2a ...
Similar questions