3 4x 2 5 x 7 10 July 8, 2019 16 32 64 128 4x 10 )( 4x 3 5 2 x 3 )/ 7 )= 0 4x 10 3 5x 7 2 3 2 x )- 5 7 2x )= 10 4x 5
