Question

resolva as seguintes equacoes 3x²-5x-4=0

Answer 1

3x²-5x-4=0
a=3,b=-5 e c=-4
Δ=b² - 4ac
Δ=(-5)² -4.3.(-4)
Δ=25+48
Δ=73
x-$\frac{5+ ou - \sqrt{73} }{6}$
x=$\frac{5 + \sqrt{73} }{6} e \frac{5- \sqrt{73} }{6}$