7 5 3x 4 3 2x 5 July 8, 2019 16 32 64 128 3x 4 )( 4x 3 )- 5 =( 2x 5 )( 6x 7 5 2x 3 3x 4 7 2x 5 4x 6 in sigma notation 2x 3 1 5x 7 5 3x 4 5x 7 2 3x 9 4 2x 5 3 5 7 3x 12 3 4 2 x 2 )+ 5 5 2x )/ 6 5 x 7 = 35