X 2 4 )( 2x 10 )= 0 July 8, 2019 16 32 64 128 X 4 2x 3 4x 2 x 10 0 X 4 2x 3 4x 2 3x 10 0 4 x 5 2 2x 1 2 10 0 3 2x 10 6.3 x 4 2 0 X mũ 2 4 )( 2x 10 )= 0 2x 10