5x 4 )(- 3x 7 )= 0 July 8, 2019 16 32 64 128 3x 9 4 5x 16 7 0 3x 6 7 2 5x 4 )= 0 3x 7 x 0.5 5x 4 0.3 5x 7 )- 0.2 3x 4 5 x 7 = 35