Question

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

x = ____ or x = ____

Answer 1

Try this option:

for x²+9x+2=0 D=81-8=73

`\left \ [ {{x= }(-9- √(73))/(2)  \atop {x=}(-9+ √(73))/(2) } \right \ => \left \ [{{x=-8.772} \atop {x=-0.228}`

answer: x≈ -8.772 or x= -0.228