5 2 x 0 16 July 8, 2019 16 32 64 128 1 2 x 5 16 0 8 16x 5 x 2 12 0 4 x 5 2 x 1 16 0 5 2x 2 16 0 16 5 x 2 32 0 48 X 2 5 6 )( x 2 16 )= 0 M 2 x 2 5 m x 16 0 X 2 16x 5 0 complete the square X 5 x 2 169 )= 0 Tìm x biết 5 2x 2 16 0
