4x 2 2x 8x July 8, 2019 16 32 64 128 4x 2 2x 8x 10 4x 1 2 2x 8x 3 )= 3 3 4x 2 =- 2x 8x 4x 3 2x 2 8x 7 4x 2 8 )+( 2x 2 8x 4x 1 2 3 2x 8x 1 7 4x 5 2 3 2x 8x 1 7 2x 3 4x 2 8x 16 4x 2 8x 2 2x 1 2x 3 4x 2 8x 16 0 8x 3 4x 2 2x 1 0 4x 1 )( 2x 2 8x x 5 4x 2 2x 3x 2 8x (- 5x2 4x 2 8x2 2x 1 4x 2 căn 2x 3 )= 8x 1