Add 1. (5x4 - x + 18x3 + 10x2) + (- 5x4 * XI 10x²) 2. (- 7x2 + 14 + 2x) + (10x + 7 - 5x 3. (- 5m² + 3m3 -- 22m) + (18m + 5m2 + 38m) 4. (15k? + 30k - 984 - 16K5) + (2K4 + k + 8k - 4K5) 5. |- 22n3 - 3n - n?) + (- 10n - 33n2 -- 4n3) (– - ) 2

Step-by-step explanation:
hope this helps and God bless!
pabrainliest po
- Sam <3