Question

Resolva a equaçãox³+2x²-51x-24=0

Answer 1

Oi Nika

x³ + 2x² - 51x - 24 = (x + 8)*(x² - 6x - 3) = 0
x1 = -8

x² - 6x - 3 = 0

delta
d² = 36 + 12 = 48
d = 4√3

x2 = (6 + 4√3)/2 = 3 + 2√3
x3 = (6 - 4√3)/2 = 3 - 2√3

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