Jawabanmu

2014-02-23T20:27:32+07:00
2x² + x - 10 = 25 - 3x - x²
2x² + x² + x + 3x -10 - 25 = 0
3x² + 4x - 35 = 0


2014-02-23T20:28:34+07:00
3x kuadrat + 4x -35 = 0
X1,2 = -b+- akar b2 - 4ac per 2a
= (-4 +-akar dr (16-4.3.35)) per 2.3