Respostas

2014-09-03T02:14:52-03:00
X - 2 = 4x^2 + 12x
4x^2 - 11x + 2 = 0
2014-09-03T07:54:42-03:00
X -2 = 4×^2 + 12x
x - 2 - 4x^2 -12x =0
- 4x^2 - 11× -2 = 0