2x 4 4 0 July 8, 2019 16 32 64 128 2x 4 2 4 0 2x 4 )( x 4 )= 0 2x 4 7x 2 4 0 2x 4 9x 2 4 0 2x 4 5x 2 4 0 2x 1 4 x 4 0 4 2x 5 * 4 x 4 0
