5a 3 a 4 ) 2 a 6 July 8, 2019 16 32 64 128 5a 3 a 4 )+ 2 a 6 A 4 5a 3 2a 2 6a 4 )( a 2 1 A 4 5a 2 6a 3 a 2 3a 1 (6a ^ 3 - 4)/(5a) - (a ^ 3 - 4)/(5a) 5a a 4 6a^2 3