2a 3 5a 7 July 8, 2019 16 32 64 128 2a 3 2 5a 6a 7 A 3 )-( 7 5a )= 2a 32 Simplify 7 2a 3 )+ 5a Expand 7 2a 3 )+ 5a 5a 3 (- 2a 6 )- 7 2a 7a 4 7a 3 5a 2 8 7 2a 2 3 5a A 2a 3 4 5a 6a 7 8