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