Combining Like Terms

2a² – 8a²+ 5a³– 11a²

• - 5a² + 5a³
• -17a² + 5a³
• 5a^{2 -} 5a³

(4p³ – 2p² ) – (5p³ + 7p²) 

• - 9p² + 5p³
• - 9p² - p ³
• - 9p² + p ³

–4d⁸ – 3 + 5d⁴– 8d⁸ + 7

• 4 + 5d⁴ - 12d⁸
• 4 + 5d⁴ - 4d⁸
• 4 - 5d⁴ - 12d⁸

15s⁵ – 2s⁵ + 4s⁷ + 3s⁷ + 2

• 13s⁵ + 7s⁷ + 2
• -13s⁵ + 7s⁷ + 2
• 13s⁵ + 10s⁷ + 2

2c – 12c³ – 5c⁴ + 7c + 10c⁴

• 9c – 12c³ + 5c⁴
• -9c – 12c³ + 5c⁴
• 9c + 12c³ + 5c⁴

9m³ + m + 2m² – 3m³

• m + 2m² - 6m³
• m + 2m² + 11m³
• m + 2m² + 6m³

– 9r³ + 2r – 5r³ + 3 – 20r

• -4r³ - 18r + 3
•  -14r³ - 18r + 3
•  -14r³ + 18r + 3

11b² + 2b² – 5b³ – 3b²

• 10b² - 5b³
• 5b³-10b²
• -10b² + 5b³

(7n⁶ + 5n⁸ + 4) – (4n⁶ – 2n⁸ + 1)

• 7n⁸ + 3n⁶ + 3 
• 3n⁸+ 3n^{6 + 7}
• -3n⁸ - 3n^{6 - 7}

10(3t² + 2t⁴) – 5(t³ + 2)

• -30t² + 5t³ - 20t⁴ + 10
• 30t² - 5t³ + 20t⁴ + 10
• 30t² - 5t³ + 20t⁴ - 10