2x 1 )( x 3 )( x 7 ) 0 July 8, 2019 16 32 64 128 2x 1 2 x 3 2 5 x 7 x 7 0 Solution of 2x 1 )( x 3 )( x 7 0 is 2x 7 5 x 3 10 x 1 15 0 Tìm x 2x 1 2 x 3 2 5 x 7 x 7 0 X 2 2x 1 3k x 7 3 2k )= 0 3 x 3 )- 7 2x 8 )-( x 1 )= 0
