Question

Calcule as raizes da funçao y=x³-x²-6x

Answer 1

Oi Davi

x³ - x² - 6x = x*(x² - x - 6) = 0

delta
d² = 1 + 24 = 25
d = 5

x = (1 + 5)/2 = 6/2 = 3
x = (1 - 5)/2 = -4/2 = -2

S = (-2, 0, 3)