4 6x )( 7x 3 ) ( 2x 3 )( 5x 1 July 8, 2019 16 32 64 128 4 6x )( 7x 3 )+( 2x 3 )( 5x 1 5 x 7 = 35 6) - 7(- 4x + 3) + 2(3x - 7) =