Question

Answer with explanation is a must. Don t spam I'll report the answer​

Answer 1

6a³ - 2b² + 4c - 5 + 6a³ -5b² + 6c - 7

6a³ + 6a³ - 2b² - 5b² + 4c + 6c - 5 - 7 ( grouping like terms together)

12a³ - 7b² + 10c - 12

Answer 2

Answer:

u just need to add but must be careful with the signs.