5 2x 3 4 3x 1 7 July 8, 2019 16 32 64 128 5 2x 1 )- 3 3x 2 )= 7 x 4 2x 3 5 x 3 4 x 1 3x 7 4 2x 3 )+ 7x 5 1 3x )- 17 2x 3 1 5x 7 5 3x 4 5 x 7 = 35
