7y – 2y² + 3yb – 4b + 5b
3/4b³ – 2/3b + 5b³ – b
8a – 11a² + 20a – a² + 9 – 4
– 1/4 b² + 5/3b² – 3/4b + 8b – 4
2m³ + 5m + m³ – 4m – 2
1/2x + 2/3x² – 1/5x² + 3/5
5x – 3x² + 2x – 3 + x
7/15x² + x/2 + 3/5
–12a² + 28a + 5
23/4b³ – 5b/3
–3x² + 8x –3
3m³ + m – 2
–2y² + 7y + 3yb + b
17/12b² + 29b/4 – 4