Sagot :
Answer:
A.
1. 5x^5y^6
2. 8m^9n^6
3. 18x^4 y^5
B.
1. -2x^2y
2. - 3a - 9b
3. ac + cb
4. -20x^2 - 3x
5. 8x^2y^2 - 19x^2y + 8xy^2
6. - 4mn^3 + 28mn
7. 8r^2 + 22r
8. - 3x^3 - 13x^2 + 5x + 4
Step-by-step explanation:
Answer:
Step-by-step explanation: