Related Post: 5n 6 4n 2 5n 2n 6 4n 21 5 N 5 4n 2n 6 6 5n 5 ) 7 2 4n N 8 5n 4 15 6 4n 2 Simplify. (4 N 2ā5n+6)+(2 N 2ā3nā4) 22 5n =- 6 6 4n 4n 2 5n 6 0