4x 9 2 x 3 )=( 4x 9 )( x 3 2 July 8, 2019 16 32 64 128 6 4x 3 x 2 x 9 9 4x 3 2 x 2 x 9 2 3 x 3 = 9 4(9x + 3) - 9(4x + 3) 3x (x-2)(x+9) 0
