3 x 9 )( x 2 81 )= 0 July 8, 2019 16 32 64 128 X 3 9x 2 9x 81 0 3 x 9 )( x2 − 81 )= 0 3 x 3 = 9 3 * 9 ^ x = 81 9 x 8 =