Respuesta :

Answer:

A. 0, - 9

Step-by-step explanation:

Given

x² + 9x = 0

x (x + 9 ) = 0

Either

x = 0

or,

x + 9 = 0

x = - 9

Hope it will help :)

Answer:

x²+9x=0

x(x+9)=0

either

x=0

or

x=-9