X 2x 5 )( x 4 )= 0 July 8, 2019 16 32 64 128 X 5 x 4 2x 3 0 X 5 2x 4 x 3 8x 2 16x 8 0 2x 5 x 4 12x 3 12x 2 x 2 0 X 4 2x 1 6 x 5 2 0 X 5 x 4 2x 3 2x 2 x 1 0 2x 5 )( x 4 )+ 2x 1 x )= 0 X 5 x 4 2x 3 2x 2 0 Rownanie x x 5 )( 2 x )/ 2x 4 0 2x 5 )( x 4 )= 0 standard form X 5 )( 2x 4 )= 0 giải phương trình