Question

20 points!! will mark Brainliest if correct!! plz help I need this done today!!

Answer 1

Answer:

1. $15m^7n^2$

2. $-20m^3n^4$

3. $10m^8n^3$

Full expression: $15m^7n^2 - 20m^3n^4 + 10m^8n^3$