4x 3x 2 5x 10 July 8, 2019 16 32 64 128 4x 3 )(- 3x 2 5x 10 3x 2 4x 5 )= 10 5x 4x 1 )( 3x 4 )-( 5x 2 10x 12 3x 2 left 4x 5 right )= 10 5x 3x 2 4x 1 3 5x 10 2 7