A b 2 49 July 8, 2019 16 32 64 128 A b 2 49 ab 12 A 2 64 b 2 49 A 2 49 b 3 Solve a 2 b 2 49 36 a b 2 49 ab 2 25 a b 2 49 ab 2 16 a b 2 49 ab 2 1 49 a b 2 4947 a )( 2 )( b A 2 b 2 14bc 49c 2