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