1) 3а^3–15а^2+3а
2) –10б^3+15б^2–10б
3) –8а^5–6а^4+12а^2
4) –15х^7+12х^6–6х^4
5) 6а^3 б^3–4а^2 б^4+10аб
1) 3а^3–15а^2+3а
2) –10б^3+15б^2–10б
3) –8а^5–6а^4+12а^2
4) –15х^7+12х^6–6х^4
5) 6а^3 б^3–4а^2 б^4+10аб