4 x 5 8 4x 2 July 8, 2019 16 32 64 128 X 5 )( x2 4x 4 )= 8 x 2 X 4 2x 5 4x 8 8 4x 5 x 4 23 8 x 5 )+ 6 2 4x 4 )- 42 4-5x 8 4 x 2 5/8 4 x 4 x 4 x
