Related Post: 5n 6 3n 8 3n2 5n 6 8n2 3n 2 5n =- 7 (- 6 8n )+ 3 5n 6 1 4 3 8 5 (- N 8 )- 6 20 3n N 8 2n 5n 6 3n 4 13 14+3n=5n-6 5n+6+(-7n)