Jawabanmu

2014-08-15T19:37:41+07:00
2x² + 6x - x - 3 = 2x² + 5x - 3
(2x-1)(x+3)
=(2x kuadrat + 6x - x - 3)
2x kuadrat +5x -3
2014-08-15T19:45:09+07:00
(2X - 1)  (X+3)
= (2X + 6X) - (X - 3)
= 8X - 3X