Cari nilai x ya (2X – 1 ) ( x – 1 ) = 2X ( X + 1 ) By Admin ReiPosted on December 3, 2022 Cari nilai x ya (2X – 1 ) ( x – 1 ) = 2X ( X + 1 ) 2x² -2x -x +1 = 2x² + 2x2x² -2x -x -2x² – 2x = -1-5x = -1x = 1/5