Respostas

2014-08-06T19:14:37-03:00
Y = 6x² + 6x
x = - 6₊₋ √ 6² - 4 * 6 * 0 /2 * 6
x = - 6 +- √ 36 / 12
x = - 6 + - 6 / 12

duas raizes
x¹ = - 6 - 6 / 12
x¹ = -12/12 = -1

x² = - 6 + 6 / 12
x² = 0
1 4 1