littlemisshelper
littlemisshelper littlemisshelper
  • 23-10-2018
  • Mathematics
contestada

Solve.
x^2+9x+2=0

x = ____ or x = ____

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 23-10-2018

Try this option:

for x²+9x+2=0 D=81-8=73

[tex]\left \ [ {{x= }\frac{-9- \sqrt{73}}{2}  \atop {x=}\frac{-9+ \sqrt{73}}{2} } \right \ => \left \ [{{x=-8.772} \atop {x=-0.228}[/tex]

answer: x≈ -8.772 or x= -0.228

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