Nilai x yg memenuhi 2x kuadrat + 6x +1 > 2x+7 adalah

2X² + 6X + 1 > 2X + 7
2X² + 6X - 2X > 7 - 1
2X² + 4X > 6
2X² > -4X + 6
2 > (-4X + 6) / X . X
2 > (-4 + 6) / X
2X > -4 + 6
2X > 2
X > 1
X = 2, 3, 4, 5, 6, ....