2x 5 2 9 0 July 8, 2019 16 32 64 128 2x 5 )( 4x 2 9 )= 0 If 2x 5 3 5x 2 9 0 find x 2x 9 )( 2 3x 5 )= 0 (- 0 4 2x 2 5 )=- 9 4 2x 3 5 mũ 2 9 25 0 4x 2 25 2 9 2x 5 2 0 2 x 2 5 2x 5
