1 7 1 5x )- 2 3 3x July 8, 2019 16 32 64 128 1 5x 7 3x 1 5 2 3 1 7x 2 7 )(- 1 5x 3 5 )( 1 3x 4 3 )= 0 5 x 7 = 35 1 3/7 x 5